A pickpocket impersonates a dreaded gangster and gets embroiled in a world of crime and danger. Billa (Ajith),a gangster,dies while being chased by the police. However,DSP Jayaprakash (Prabhu) finds Velu,a pick-pocket who resembles Billa,and trains him to impersonate the gangster. Velu enters Billa's gang as a mole for the DSP. For how long will his cover remain?