Bollywood drama. Roy (Abhishek Bachchan) is a professional conman, who has raised his work to the level of an art. Roy never speaks the truth and the only thing that is true about him is that he loves Simmi (Priyanka Chopra) with all his heart. Simmi is so pure, honest and sincere, that he can't bring himself to tell her the reality of who he is. On the day of their engagement, the truth about Roy's identity is disclosed to Simmi by an uncle who Roy has conned. Her faith in Roy is shattered and she walks out of his life. That's when Dittu (Riteish Deshmukh) enters the picture, a small time cheater who tries his hand on Roy but is caught red-handed. After some initial hesitance Roy accepts Dittu as his protege and teaches him the tricks of the conman's trade and in the process, he melts and warms up to the boyish charm of his 'student'. However when a tumor is detected in Roy's brain and he is told that he has only three months to live his world is spun upside down as the shadow of death lends a change of heart and a desire to lead a better life.