The film begins with a masked killer entering the apartment and murdering a young couple Krish and Shruti on a cold rainy night in Coimbatore. Five years later, the retired police inspector Deepak lost a leg while investigating the case. He received a call from a friend. The friend's son insisted on becoming a policeman. So the friend sent his son to Dipak so that Dipak could brainwash him not to join the police force because his parents thought it was too dangerous. When his son arrived, he asked Dipak to tell him how he was disabled. Dipak began to tell the story of his last case, which took away his beloved work.