Hossein Motamed a former committe's member who is now an ordinary taxi driver is being informed that a terrorist group are after assassinating him. A young man Mansor who has to assassinate him arrives but does not want to do so. He tells Hossein about their plans but Hossein asks him to keep working with the terrorists so he can pursue and arrest them. Mansor is getting killed and Hossein is captured by the terrorists but the authorities are to the rescue.—Ibrahim