After a medical college student falls to her death, a man named Sathya becomes entangled in a murder investigation. He discovers a woman hiding in his car who begs for his help, leading him to let her stay in his apartment. The next morning, Sathya finds her seemingly dead and decides to dispose of the body. However, he receives a threatening call and realizes he must become a detective to solve the murder before he becomes the next victim. Sathya's investigation uncovers a sinister plot orchestrated by the medical college dean.

Tiyaan is a revenge drama that revolves around the protagonist's fight against corruption and injustice in a political battle. The story delves into the complexities of power and the fight for truth.

Ananthakrishnan loses his uncle, aunt and girlfriend due to the actions of five wayward medical college students. In order to seek revenge, he joins their college by changing his name to Rohit Menon. He becomes a friend of Joe Joseph, one of the guys in the gang.