What would you do if you have to kidnap a girl so that she could elope with your friend and in the process you fall in love with her??!! Prem (Ranbir) is a guy who is always ready to help everyone but his lady luck is not always helpful towards him. All his endeavors cause some kind of trouble or the other. The person who has suffered the most because of Prem`s helpful nature is his father. Now one of Prem`s friends is in love with a girl but is facing opposition from her family. To help his friend to elope with the girl, he kidnaps her and falls in love with her. Much to his relief, he comes to know that he has kidnapped the wrong girl.This girl is Jennifer (Katrina). Prem apologizes to her and they become good friends. And everyday he falls more and more in love with her. However, Jennifer loves someone else.