Priya (Kajol) wants to become a nun while Thomas (Arvind Swamy) is madly in love with her. Thomas turns to Deva (Prabhu Deva) for help to make Priya fall in love with him. Twist in the tale arises when Priya falls for Deva. Merupu Kalalu is the dub
version of National awarding winning Tamil musical Minsara Kanavu.