Siddhant is a visualiser working in a reputed Ad-Agency in Mumbai who is lodging with Lisa and her boyfriend Keith. As days pass by, Siddhant witnesses the fights between the pair and after Keith is caught cheating and Lisa chucks Keith out. Siddhant befriends a girl called Kareena, the office administrator in the Ad-agency and the pair fall in love and plan to marry. However, their plans are thwarted when Siddhant discovers that Lisa is pregnant with his child following a one night stand. Will he sacrifice his love for Kareena and face up to his responsibilities?