Farhan Akhtar, Deepika Padukone, Ram Kapoor, Shefali Shetty
an introvert by nature and shy by choice. Karthik suffers from huge confidence issues and is miserable at his less than average job. His boss treats him like dirt. Shonali, his colleague who he secretly loves doesn't even know he exists. Karthik is a loser, he knows it and he accepts it. And then one day the phone rings. Karthik speaks to someone who claims to be Karthik, and promises to change his life. What follows next is a soulful and thrilling journey of Karthik, which will change his life in ways he had not imagined.