The film starts with a masked killer entering an apartment and murdering a young couple, Krish and Shruti one cold, rainy night in Coimbatore       Five years later, Deepak, the retired police inspector who lost his leg while investigating the case, receives a call from a friend       The friend's son is adamant on becoming a police officer       So, the friend sends his son to Deepak so Deepak can brainwash him into not joining the force since his parents feels it is too dangerous       When the son arrives, he asks Deepak to tell him how he became crippled       Deepak begins to narrate his story of the final case that robbed him of the job he loved