Peter (O. P. Ralhan) and Kitty (Helen) love each other, but due to Peter's poverty, they are unable to marry each other. One day, during one secret rendezvous, Peter & Kitty accidentally overhear a conversation between a Mahesh Jetley & his paramour, where Mahesh tells her that he is soon going to bump his wife on a certain date. Peter & Kitty decide to foil this man's plans. However, there are 2 problems :- 1] They have not seen Mahesh or his paramour's face. 2] Even if they had, no one would believe their story.Hence, the lovers decide to do a little investigation on their own. They find 3 Mahesh Jetley's. On some snooping, they find that each man is married & each of them has a crappy married life. To find their suspect, they devise a plan whereby they will stage an attack on each man's wife. Whoever the culprit is, will freak out & his identity will be revealed.