The story is set in Mumbai. AK alias Ashok (Ajith) a former bomb disposal specialist and a Dirty Harry type who shoots-the-scums of earth is on a revenge romp. Along with his lady love Maya (Nayanthara), he forcibly ropes in a computer hacker Arjun (Arya) and his lover Anita (Taapsee) into his nefarious plans. How they take revenge on the Home Minister (Mahesh Manjrekar) and his acolytes ( Atul Kulkarni) forms the rest of the story.