Movies like O2
If you like "O2" you are looking for medical drama, emotional and intense movies about / with moral ambiguity, ethical dilemma, obsession, sacrifice, ambition, redemption and hospital themes of Romance and Thriller genre shot in India.
Find your next favorite and similar movies in two steps:
1. Identify all themes of interest from this film (block below).
2. Look for them in the presented list.
O2 (2024)
9K
Genre: Romance, Thriller
Country: India
Duration: 105 min.
Story:
A brilliant doctor battles her childhood trauma, to revive the dead with an illegal intravenous oxygen drug. Her quest challenges the boundaries of science, spirituality, and love. Will she succeed or lose everything!
Style:
medical drama, emotional, intense, suspense, dark
Plot:
moral ambiguity, ethical dilemma, obsession, sacrifice, ambition, redemption, hospital, child prodigy, grief, family conflict, character study, urban, love story, identity crisis, psychological drama
Time:
near future, contemporary
Movie in categories
Most similar movies to O2
The list contains related movies ordered by similarity. Recommendation engine sorted out intense, dark, tense and suspense films with plots about moral ambiguity, urban, investigation, revenge, obsession, psychological drama and betrayal mostly in Thriller, Romance and Action genres. Some movies like O2: White Widow (2023), Powerbomb (2020), Spark: L.I.F.E. (2023), Manu (2018), Guru (2025). The matching attributes are highlighted in bold.
Genre: Romance, Thriller
Country: UK, Tanzania
Duration: 83 min.
Story:
Across Africa and London, an American woman struggles with recent tragic events, resulting in impromptu rendezvous with a naive Irishman, who takes on more than he bargained for.
Style:
suspense, emotional, atmospheric, melancholic, intense ...
Plot:
guilt, tragic love, grief, post traumatic stress, secrets, loneliness, danger, slow burn, intimate, moral ambiguity, chase, betrayal ...
Place:
london, africa, east africa
Similarity:
95%
Genre: Thriller
Country: USA
Duration: 79 min.
Story:
An obsessive fan kidnaps his favorite up-and-coming wrestling star.
Style:
independent film, tense, emotional, suspenseful, intense ...
Plot:
wrestling, kidnapping, fandom, fan culture, fanaticism, obsession, obsessive love, character study, family drama, danger, stalker, male protagonist ...
Similarity:
85%
Genre: Action, Romance, Thriller
Country: India
Duration: 170 min.
Story:
Jay's love for Ananya leads to a deadly chain of events while Lekha's dreams collide with a stranger named Arya. As suicide killings grip the nation, a sinister force entwines their lives.
Style:
suspense, dark, tense, intense, romantic drama ...
Plot:
suicide, obsession, love triangle, tragic romance, dangerous attraction, betrayal, young adult, investigation, urban, haunting, moral ambiguity, supernatural
Time:
2020s
Similarity:
76%
1K
Genre: Mystery, Romance, Thriller
Country: India
Duration: 180 min.
Story:
The relationship between a painter and his admirer unfolds as an abstract, twist-filled hide-and-seek game against the backdrop of murder and revenge.
Style:
suspense thriller, suspenseful, psychological thriller, tense, twist ending ...
Plot:
painter, murder, artist, revenge, betrayal, moral ambiguity, cat and mouse, obsession, relationships, mind game, secrets, male protagonist ...
Similarity:
58%
Movie in collections
654
Genre: Thriller
Country: France, Belgium
Duration: 126 min.
Story:
Matt, a charismatic coach, captivates crowds until he spirals into a disturbing downward spiral.
Style:
psychological thriller, suspenseful, dark, intense, fast paced ...
Plot:
obsession, manipulation, identity crisis, confrontation, moral ambiguity, celebrity culture, claustrophobia, character study, power struggle, investigation, public speaking, ambition
Time:
2020s
Similarity:
58%
Genre: Romance, Thriller
Country: India
Duration: 155 min.
Story:
An intense love story brews between Deva and Bindhu. On the other side, a masked man who calls himself GOD shakes the city with his brutal serial killings.
Style:
suspenseful, dark, tension, romantic drama, emotional ...
Plot:
fear, serial killer, masked killer, psychopath, cat and mouse, obsession, obsessive love, secrets, violent, moral ambiguity, confrontation, investigation ...
Similarity:
56%
Genre: Thriller
Country: India
Duration: 122 min.
Story:
Revolves around two married couples entangled in a complex web where trust is eroded, shocking betrayals are revealed and lives spiral into an intricate web of intrigue.
Style:
intense, tense, suspense, twist ending
Plot:
deception, infidelity, complex characters, manipulation, double life, moral ambiguity, character study, obsession, revenge, slow burn, investigation, cat and mouse ...
Similarity:
55%
Genre: Romance
Country: India
Duration: 144 min.
Story:
Two lovers, separated by life's circumstances, are reunited by a tragic fate—a murder. Arjun, driven by his love for Diya, defies all odds, crosses boundaries, and braves the unknown to uncover the truth behind her tragic fate.
Style:
emotional, heartbreaking, romantic drama, intense, tense ...
Plot:
grief, murder mystery, sadness, justice, determination, investigation, female victim, revenge, sacrifice, betrayal, whodunit, flashback ...
Similarity:
55%
Movie in collections
Genre: Action, Romance, Thriller
Country: India
Duration: 122 min.
Story:
Krish and Chitra are in love. After Chitra goes missing, Krish starts killing people. But one day Akshara befriends him and get to know more about his life. What will happen when Akshara is revealed to be an undercover cop?
Style:
psychological thriller, crime thriller, tense, emotional, intense ...
Plot:
undercover cop, obsession, male protagonist, depression, mental illness, character study, suspicion, revenge, double life, investigation, isolation, moral ambiguity ...
Place:
india
Similarity:
54%
Genre: Thriller
Country: India
Duration: 149 min.
Story:
The movie takes you on a roller coaster ride of events that happen in Ranjith`s life and how it affects the people around him, forcing him to resolve the matter before he looses control.
Style:
serious, emotional, tension, realistic, intense ...
Plot:
male protagonist, loss of control, family conflict, moral dilemma, slice of life, cathartic, redemption, slow burn, urban, malayalam
Similarity:
52%
Genre: Thriller
Country: India
Story:
Babji is a murder suspect who also is an emotionally unstable man. He describes the modes operandi behind the crime he committed that eventually helps the cops disclose unfolded facts.
Style:
crime drama, tense, suspenseful, intense, dark ...
Plot:
murder, character study, interrogation, suspect, investigation, ethical dilemma, motive, conflict, justice, confession, mental health, evidence ...
Similarity:
51%
Genre: Thriller
Country: USA
Duration: 84 min.
Story:
Six different people all believe an unconscious and unidentified man in a hospital is their missing person. A film about being unconscious . . . or not.
Style:
psychological thriller, medical drama, existential, tense, suspenseful ...
Plot:
hospital, uncertainty, unconsciousness, ambiguity, memory, multiple perspectives, identity crisis, missing person, suspicion, character study, amnesia, loss ...
Similarity:
50%
Genre: Thriller
Country: India
Duration: 154 min.
Story:
Bharath has lost everything since his childhood, including his family. Will his alter ego, Bhargava, help him or destroy him?
Style:
melancholic, bleak, emotional, psychological thriller, intense ...
Plot:
male protagonist, childhood trauma, alter ego, identity crisis, split personality, mental health, friendship, moral ambiguity, family tragedy, moral dilemma, survival, betrayal ...
Similarity:
48%
2K
Genre: Thriller
Country: India
Duration: 123 min.
Story:
Bhanu suffers from 'conversion disorder a.k.a hysterical blindness' where she goes temporarily blind under severe stress, in her case triggered upon seeing blood, must fight her enemy who inflicts more bloodshed than she ever imagined.
Style:
intense, psychological thriller, suspense, tension, dark ...
Plot:
female protagonist, blindness, mental health, phobia, claustrophobia, character study, bloodbath, violence, trauma, post traumatic stress, domestic violence, moral ambiguity ...
Time:
2020s
Similarity:
47%
Genre: Thriller
Country: India
Duration: 129 min.
Story:
Rishidev, an ACP of the Narcotics Control Bureau meets with an accident and loses his memory. Meanwhile, a person named Haran comes to the forefront for running a drug racket. Things take an interesting turn when NCB learns that Rishidev has been ...
Style:
crime thriller, crime drama, psychological thriller, tension, suspense ...
Plot:
amnesia, memory loss, double life, identity crisis, drug traffic, deception, undercover cop, secret life, investigation, false identity, criminal underworld, moral ambiguity ...
Place:
india
Similarity:
46%
Genre: Thriller
Country: Russia
Duration: 87 min.
Story:
The talented and practical journalist German Krylov, in pursuit of sensation, finds himself in a company that sells a feeling of love. Unexpectedly for himself, he becomes the object of manipulation and falls into a trap from which it is difficult ...
Style:
intense, psychological thriller, suspense, tense
Plot:
manipulation, obsession, ethical dilemma, moral ambiguity, betrayal, seduction, identity crisis, social commentary, corporation, mind control, tragic love, claustrophobia ...
Place:
russia
Similarity:
45%
Genre: Romance, Thriller
Country: India
Duration: 160 min.
Story:
Adam Joan Pothan from the village Mundakkayam. One day, he unexpectedly meets a girl named Emy and they go to Scotland together. The new people he meets on his journey changes his life.
Style:
psychological, disturbing, captivating, tense, intense ...
Plot:
revenge, relationships, love story, male female relationship, lifestyle change, relationship problems, love affair, couple relations, life is a bitch, unrequited love, betrayal, friendship ...
Place:
india, scotland
Similarity:
45%
Genre: Sci-Fi, Thriller
Country: India
Duration: 138 min.
Story:
A man puts up an advertisement on social media claiming 'any wish is fulfilled' . Six people, each embodying Anger, Lust, Pride, Greed, Jealousy, and Attachment seek his help. Explores whether their desires will be realized.
Style:
emotional, existential, dramatic, philosophical, indie film ...
Plot:
wish fulfillment, temptation, character study, social media, male protagonist, obsession, social commentary, magic realism, corruption, identity, urban, karma ...
Similarity:
43%
Movie in collections
17K
Genre: Action, Crime, Drama, Romance, Thriller
Country: India
Duration: 168 min.
Story:
Raised by a criminal father, Paarivel Kannan leaves behind his adoptive family to build a quiet life with his love, Rukmini. But his violent past won't let him go.
Style:
dark, crime drama, tense, intense, emotional ...
Plot:
revenge, moral ambiguity, mature, gangster, betrayal, father son relationship, redemption, retribution, anti hero, violent, family drama, character study ...
Time:
90s
Similarity:
43%
1K
Genre: Thriller
Country: India
Duration: 106 min.
Story:
The events that happen in the life of Ani after he gets convicted for a murder.
Style:
dark, suspense, psychological, intense, tense ...
Plot:
convict, murder, prison, guilt, moral ambiguity, justice, male protagonist, family conflict, family drama, suspicion, isolation, suspect ...
Similarity:
42%
Genre: Thriller
Country: Canada
Duration: 90 min.
Story:
Broken by injustice and corruption, Otto, a hippie idealist, sinks into paranoia. He seeks help from his friend Fly, an immigrant with an unknown past, to accomplish his strange revenge of the 1% which he calls: The revenge of the madman.
Style:
tense, intense, dark, political thriller
Plot:
revenge, corruption, anti hero, paranoia, moral ambiguity, anti establishment, class conflict, injustice, vigilante, hippie, idealism, obsession ...
Similarity:
41%
5K
Genre: Action, Thriller
Country: India
Duration: 159 min.
Story:
A journalist pieces together the story of Eagle, a former professional sniper who falls in love with Rachana, and on a mission to redeem himself by working towards eradicating illegal arms from this world.
Style:
tense, suspenseful, intense, crime drama, dark ...
Plot:
sniper, investigative journalism, secrets, investigation, assassin, journalist, assassination, criminal syndicate, character study, ethical dilemma, moral ambiguity, redemption ...
Similarity:
40%
Genre: Thriller
Country: India
Duration: 130 min.
Story:
Shruthi embarks on a career in an advertising agency in Hyderabad, sharing accommodations with a friend in the city. However, a routine return to her room during a commercial shoot unveils a series of startling events, thrusting her into the ...
Style:
tense, suspense, intense, dark, psychological ...
Plot:
investigation, corruption, social issues, female protagonist, organ trafficking, conspiracy, social commentary, exploitation, survival, moral ambiguity, urban, ethical dilemma ...
Similarity:
40%
Movie in collections
Genre: Drama, Thriller
Country: USA
Duration: 110 min.
Story:
Working undercover to expose a corrupt judge, an investigative journalist confronts his secret past plus his mother's mental illness and must choose between addiction and obsession or love and redemption.
Style:
tense, suspense, dark, noir
Plot:
mental illness, investigative journalism, addiction, corruption, redemption, justice, moral ambiguity, covert operation, crime investigation, obsession, ethical dilemma, conspiracy ...
Time:
2020s
Similarity:
39%
Genre: Drama, Thriller
Country: India
Duration: 138 min.
Story:
Dr Vijay Nambiar (Suresh Gopi) is a famous neurosurgeon. His wife Dr Nalini Nambiar (Abhirami) is a gynecologist in the same hospital. They lead a contented and busy family life. 'Appothikkiri' plots the intriguing issues that affect their ...
Style:
medical drama, suspenseful, captivating, thrilling, psychological ...
Plot:
guilt, doctor, accident, ethical dilemma, hospital, life is a bitch, doctors and patients, problem, physician, medical, guilty conscience, medicine ...
Place:
india
Similarity:
38%
Genre: Thriller
Country: India
Duration: 130 min.
Story:
Abhi and Cyril have been best buddies from childhood.Being an orphan abhi's favorite place is Cyril's home.He helps Cyril to get married to his love of his life aaradhya against her parents will. Suddenly both newly married couple ...
Style:
crime drama, tense, suspense, twisted, emotional ...
Plot:
kidnapping, investigation, friendship, danger, confrontation, loyalty, obsession, revenge, cat and mouse, betrayal, moral ambiguity, urban ...
Similarity:
37%
Genre: Thriller
Country: USA
Duration: 97 min.
Story:
Russ Washington is a successful businessman on top of the world. But when Addiction, secrets, and faulty relationships send him spiraling down the rabbit hole, will he continue to plummet or find the strength to carry on.
Style:
realistic, intense, dark, indie film, erotic ...
Plot:
addiction, mental health, redemption, secrets, character study, self destructing, nudity, guilt, moral ambiguity, desperation, recovery, grief ...
Similarity:
37%
Genre: Thriller
Country: India
Duration: 122 min.
Story:
Follows six murder case suspects who get kidnapped and an officer's quest to find the truth
Style:
tension, suspense, intense, crime thriller, twisted ...
Plot:
murder, kidnapping, investigation, police procedural, urban, claustrophobia, conspiracy, moral ambiguity, justice, interrogation, cat and mouse, crime scene ...
Similarity:
36%
426
Genre: Thriller
Country: India
Duration: 100 min.
Story:
Aadi and Yamini's love story takes a tragic turn when Yamini is kidnapped and brutally murdered, plunging Aadi into despair. Struggling with PTSD, he undergoes a memory-erasing treatment and starts anew, reuniting with his childhood friend ...
Style:
suspense, tense, intense, psychological, twist ending ...
Plot:
memory loss, hostage situation, ptsd, brutal murder, game of death, trauma, confined space, mind game, female victim, identity crisis, violent, tragic romance ...
Similarity:
36%
Genre: Romance, Thriller
Country: India
Duration: 122 min.
Story:
Vedha has innate natural smelling capacity called Hyperosmia. When his quality turns into a psychological disorder, he ends up kidnapping the girl he is attracted to. Is there a cure for his disorder? Can she escape or will she fall in?
Style:
psychological thriller, intense, tense, suspenseful, dark ...
Plot:
obsession, kidnapping, mental illness, manipulation, stalking, obsessive love, psychological disorder, suspicion, male protagonist, female victim, mature, romantic obsession ...
Similarity:
36%
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