Synopsis :
A dam. A time bomb - and some gansters - who are trying to blast the dam. Secret Agent 303, Amarnath foils their attempt and takes a photographer for developing and printing. But then Amarnath is murdered. Now Secret Agent 116, Gopal (Jeetendra) comes on the scene finish the assignment. While on the journey he meets a beautiful girl Sunita (Babita). The result is love at first sight. Gopal, gets his hand on the film and gets a crucial clue....the licence number of a car. He traces the car and gets the shock of his life when he sees Sunita in the same car. Gopal and Sunita meet often and he comes to know that the man behind the gangsters in Damodar, father of Sunita. But there is somebody else behind Damodar also. Who is he?