Bachna Ae Haseeno is a romantic musical comedy about an infamous playboy Raj Sharma (Ranbir Kapoor), who breaks the heart of two innocent girls Mahi (Minissha Lamba) and Radhika (Bipasha Basu). Both the ladies are greatly affected by it and no longer believe in love. Raj moves to Sydney, and there he falls in love with Gayatri (Deepika Padukone). Love for Gayatri changes the commitment-phobic Raj, and he starts believing in true love. However, things go upside down when he gets rejected by Gayatri. He realizes his mistake, and to make atonement he sets out to win the forgiveness of Mahi and Radhika.