Synopsis :
Affirmative to the tagline, "He has arrived in a city where everyone wants him dead" seen in the pre-release promos, a train passes through the bustling Howrah hub of Kolkata and that is when Avinash (Anil Kapoor) arrives to the city in search of someone. He is in search of Lakhan Yadav (Sayaji Shinde), a Bihari goon currently on a hideout in Kolkata and to reach him, Avinash has to work through his only contacts in the city, Shankar Paswan and Ghatak (Saurabh Shukla). During this search process, things take an abrupt turn and before Avinash can realize, he becomes the one who is being hunted and that is when the puzzle starts to get more intriguing (both for the main protagonist Avinash and the viewer). By making the rounds of the trams and metroes of Calcutta and exploring the effervescent Kolkata, Avinash starts to put the clues together and gets some assistance from Bulbul (Rani Mukherjee). Unknowingly, Avinash gets deceived as Lakhan Yadav gets to know about his whereabouts and stabs Avinash to eliminate him in this cat and mouse game.

Nurtured by Bulbul, Avinash regains consciousness and relates his past to Bulbul and the reason behind his frantic search. Avinash tells her about his chance-encounter with Sanjana (Manisha Koirala) and the events that lead them to get married, inspite of the disapproval of Sanjana´s politician father Sujan Singh (Satish Kaushik). What happens next? Why is Avinash after Lakhan Yadav and vice-versa? Is Sanjana a part of this? What is Avinash really looking for? Sudhir Mishra efficaciously takes us through this gripping thriller with the help of a superbly constructed plot and a suspense-driven cat and mouse game that gets the viewer to the edge of his seat.