The story follows ACP Karan Malhotra (Sonu Sood), a dedicated police officer determined to eliminate the criminal underworld from Mumbai. Threatened by his efficiency, gangster Kabir Bhai (Prakash Raj) hires an assassin to neutralize him.
(played by Amitabh Bachchan), a retired hitman living in Paris who returns to Mumbai for "one last job". The Conflict : An underworld kingpin named Kabir ( Prakash Raj ) hires Viju to assassinate ACP Karan Malhotra ( film buddha hoga tera baap