Chelladurai and Jeyasudha, siblings, face life's struggles after a devastating tragedy, their unbreakable bond fortified by their uncle Periyasamy's constant guidance since childhood.
A series of murders happens in a City (Chennai), which is investigated by CBI Officer Evvi Ilavalavan (Natty Natraj). Will he find the answers for the question Who, How and Why of the crime, that too in time?
The hero who lives in the present day and does every odd job for survival. He is approached for help by a group of youngsters who want to rescue one of their friends from a kidnap. But that kidnap had happened due to mistaken identity.