Jamal has a sick wife at home to take care of. Hussein Agha who is Jamal’s colleague likes his daughter, Shirin. Dr. Cyrus Amin is also in love with her, but his mother is against the relationship.

A young police detective infiltrates a large gang by posing as a smuggler. He befriends the gang leader's sister, and with her help, he dismantles the gang, bringing its members to justice. The stolen money, which was the wages of factory workers, is returned to the factory owner. The factory owner offers a reward of 100,000 Tomans to each person involved.