The story begins with Deepak (Rahman (actor)) narrating the story of one of his case that occurred during his service as a police officer in Coimbatore. Deepak narrates the story to a man who is the son of another police officer who has come for taking career advice from him. Then Deepak starts the story. Three young men hit a man with the car they were driving on a rainy day in a neighborhood. Afraid that they might get caught, they carry the body to their home. Deepak continues the story from his perspective. He comes to his office in the morning and his sub-ordinate officer informs him about a suicide of a person named Krish that has happened in the area and hands over the license of that person. The informer, who is a newspaper boy is called in to give his information. On his way out, the newspaper boy sees the car from the crime scene and shouts out to police. They ignore him. Deepak visits the crime scene and meets the new police officer, Gautham. Gautham follows his instinct and mentions about the those young men. They go to investigate them. They act suspicious. After finding nothing, they return to the office. While on their way, they get a call informing them of another incident. They go there to find that, Shruti is missing with blood stains on her bedroom. Her friend Vaishnavi was the one to identify this. Later Deepak gets a call saying that Shruti, previous day evening had written a complained against a person Mano. He recognizes the name as that of one of the young men and interrogates them. They tell of the incident that happened 10 days prior to missing of Shruti. The incident was - she unknowingly overspeeds and nearly hits them. The three young men also confess that after the incident, they haven't met her. On further investigation in Shruti's apartment, it is revealed that the blood group is B+ which matches with Krish. Gautham investigates and identifies that, Shruti had told the neighbour about a young man who is her fiance. They decide that th