On the night of his marriage, Habib is informed that his sister, Goli, has entered the city with a group. Ghasem is the head of the group. Habib takes Goli, who has chosen a dishonourable life style, to an isolated house and stays there. His wife's family suppose that he has run away with a prostitute and get really angry. Ghasem, on the other hand, finds and kills Habib. The wife's family are suspects at first but soon the truth is revealed and Habib is known as the hero he is.