Simran (Kangna Ranaut) is an alcoholic heading towards doom. Her only friend in Seoul, South Korea is Aakash (Emraan Hashmi), a singer in an Indian restaurant. One night, Simran tells Aakash of her past and of the reasons for her loneliness.
Originally a bar dancer in Mumbai, India, Simran is the girlfriend of a notorious gangster, Daya (Shiney Ahuja), who committs assassinations for money. Five years before, Daya's criminal boss Khan (Gulshan Grover) ordered Daya to give Simran up because she was distracting him from his work. When Khan threatened Simran, Daya turned on him and Khan cut Daya loose from his gang, warning Daya that he would regret choosing Simran over Khan.Pursued by the Indian police and Khan's men, she and Daya were forced to flee to Seoul.