Best Tamil Thriller Movies of 2021
Ranked by IMDb rating — 20 Tamil thriller films released in 2021.
Maanaadu
A Muslim man, who is stuck in a time loop, has to stop a political rally from taking place in order to save the state's chief minister and prevent religious violence.
Doctor
An army doctor helps his love interest's family to find their kidnapped daughter.
Master
An alcoholic professor is sent to a juvenile school, where he clashes with a gangster, who uses the children of the school for criminal activities.
Thittam Irandu
Athira, a 25-year-old cop gets to investigate her best friend's missing case. The case turns out to be very mysterious when she suspects that her accident has been staged and that she has been murdered. After digging deep into the case, she gets to know shocking revelations about her and now she has to make some life-changing decisions.
Lift
A usual working day turns unusual for Guru and Harini when they get trapped in their haunted office. A patterned game unlocks a mystery and a lift is their only way out.
Kabadadaari
An ambitious traffic cop sets out to solve a murder which took place four decades ago with the help of a journalist and a retired cop.
Netrikann
A cat-and-mouse game engages between a blind woman and a serial killer when the former becomes the witness of a kidnap performed by the latter.
Pushpa: The Rise
As Pushpa, a labourer, rises in the world of red sandalwood smuggling, he ends up making many enemies. However, violence ensues when the police try to topple his illegal business.
Teddy
Srividya had a minor accident and was taken to a hospital. But while getting treated, she is instead kidnapped with the help of the hospital staff. While her kidnappers keep her in a medically induced coma, she has an out-of-body experience, where she gets into the body of a teddy bear. Shiva, who has a photographic memory, remembers everything in his life. Shiva completed many master's degrees and a PhD in no time with this capability. While Shiva saves a teenager from local goons on a public train, the teddy watches him and decided to get help from him. Teddy (as Sri's soul) seeks Shiva who helps find her kidnapped body, which they find in Azerbaijan. What happens to Sri and how Shiva defeats the mastermind behind this forms the crux of the story.
Nizhal
A First class judicial Magistrate comes across an 8 year old boy-Nithin & his murder stories. Do they have real life connection?
Sulthan
A man raised by gangsters tries to reform them, and a hired job to protect a village presents him with the perfect opportunity.
Valiyor Silar
The struggle between a youngster and a cop. When the policeman snatches the youngster's money, he must find a unique way to get his money back.
Oomai Sennaai
A man who works for a private detective decides to turn over a new leaf, but ends up antagonising the men behind his last assignment, and gets entangled in a web spun by greedy politicians, corrupt cops and ruthless gangsters.
Vanam
An art college student tries to find the reasons behind the mysterious deaths of the people who have stayed in a hostel room, with help from a documentary filmmaker.
R23 Criminals Diary
The Story revolves around the criminal who surrenders himself stating that he has committed a murder of a girl who loved him, then the story revolves around seven people who are involved in this mysterious case. Three timelines of the story will convey the protagonist's character who is not guilty in the eyes of justice.
Chinnanjiru Kiliye
The film has an endearing father-daughter bonding at its crux. The protagonist is someone who comes from a family that traditionally practices natural medicine. He also encourages people to follow it instead of allopathy. At one point, his daughter gets trapped in a major problem through which he unearths a big medical scam.
3:33
After moving to a new house, Kathir hears some voices, meets accidents frequently, and gets nightmares. All these occur only at 3:33, the time when he was born. Was this a dream or a psychological occurrence for Kathir?
Naduvan
A man learns that his wife is cheating on him with his best friend. Even as he plans to kill her, four young men enter his home to rob the place!
Calls
Nandini who works at a BPO in Chennai struggles to meet her target and she is on the verge of losing her job. One day she starts getting annoying-calls to her mobile from an 'unknown person'.
Pon Manickavel
A cop tasked with investigating the murder of a judge finds out that a businessman might be the key to cracking the case.