Three boys named Bunty, Happy and Lucky, study in a London school. They fall in love with three young girls. The boys then happen to meet Rubina, a very attractive young lady who is married to Khan. Rubina leads the boys down the garden path and tells them that her husband is very troublesome and that if they killed him for her, they could all have a good time. The boys make several unsuccessful attempts to kill Khan. Finally, they are ready to admit their failure and unwillingness to carry out the crime. But they discover that Khan has really been murdered and that they are the accused in the homicide case.

After the traumatic death of his brother, Inspector Ritesh finds that his niece has suffered a trauma and is unable to speak, while his widowed mother and sister-in-law are devastated by his sudden death. Then while apprehending some goons he finds himself surrounded by them and there is no way of calling for help. It is then a man named Marshal shows up and rescues him. Miraculously his niece also starts to speak. Ritesh finds this a good omen for his family and asks Marshal to stay on in their house, and even proposes that he marry his sister-in-law. What Ritesh does not know is that Marshal is a hired assassin and hit-man, and his next target is none other than Ritesh himself.