Harish Venkatraman is a software architect living in Malaysia and is the incharge of his millionaire uncle's company . He stumbles upon Devasena , a psychiatry student and falls for her instantly. Harish accompanies Devasena to Chennai for her parents' anniversary in a bid to win over her strict father.

A gang goes to rob a bank only to find that there's already a criminal mastermind holding it for ransom, but his identities and motives behind the heist remains mysterious. As they plan to collect the bounty and disappear without a trace, their crimes and their past slowly catches up with them.