The film opens with Kenny (Vikram), a Pianist in a church and a blind man who is on a vendetta mission in London, which has been ravaged by a series of bomb blasts. During the night, Kenny becomes an obsessed killing machine and goes on a killing spree murdering mostly white men. In a flashback mode it is revealed that Kenny is actually a top RAW officer Sivakumar whose buddy was Sarath (Jagapathy Babu), his colleague in the intelligence department. Siva marries Meenakshi (Anushka) an eye surgeon and was leading a peaceful life till fate intervened cruelly and turned his life upside down.