Lallan is a goon, originally from Bihar but settled in Kolkata, West Bengal because his brother Gopal Singh (Sonu Sood) has left him alone and he had no option of earning back home. He loves, marries and abuses his wife, Shashi Biswas (Rani Mukerji). He gets into a contract under Gopal's recommendation to run errands and work as a hitman for Prosenjit Bhattacharya (Om Puri), a politician.
