Dharamchand is the Chair of Olympic Bank, which is due for a final audit by the 30th of the month. Shortly thereafter, his daughter, Hema, finds his dead body in his bedroom. She phones her brother, Ratan, who arrives, finds a suicide note in his dad's room, clarifying that he had embezzled 20 lakhs from the bank, is unable to repay it, and hence is killing himself. Ratan decides to protect the good name of the family and does not tell anyone about the suicide note to anyone, including Hema. Shortly thereafter, Ratan is approached by a blackmailer named Shekhar, who threatens to expose Ratan's secret if Ratan does not participate in a bank robbery that will take place two days before the final audit. Ratan assists him, the robbery takes place, the money is looted, all bank records are burnt, and the robbers make a successful getaway.

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 a secret rendezvous, Peter accidentally overhear a conversation between one Mahesh Jetley and his paramour, where Mahesh tells her that he is soon going to bump off his wife on a certain date. Peter and 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 three Mahesh Jetleys. On some snooping, they find that each man is married and each of them has a miserable 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 and his identity will be revealed.