A good for nothing son of a rich industrialist decides to leave home after his fathers constant railings to get him married. Vijay leaves Bombay to start a new life but doesn’t have money to buy himself a ticket. He pretends to be half-witted child Munna. A diamond smuggler hides his loot with Munna while Munna falls in love with Ranibai who he meets on the train. Will Vijays identity be revealed or will he fall in the hands of the vicious smuggler?