Arjun, a tough cop along with his friend Andrew embark on a mission to track down a truly gruesome psychopathic killer called Bhramma a.k.a The Smiley Man. They eventually manage to apprehend Bhramma at the cost of losing Andrew makes Arjun resign from the police force. However, tragedy hits home when Bhramma escapes from prison and resumes his killing spree.
The lives of four people from different walks of life is affected by a disastrous road accident. The regret, remorse and realisation these characters undergo makes the crux of the film.
Ten-year-old Sembi and her grandmother Veerayi, an apiarist, live peacefully amidst nature in the hilly regions of Kodaikanal. They lead a beautiful life until three influential miscreants shatter all their dreams. After a tragedy the two escape and board a bus, whose Passengers from different walks of life try to help bringing justice to the duo.
