Babak, who manages his uncle's factory, is interested in Simin, the secretary of the factory. Some time later, Matin, Babak's cousin, returns from Europe trip and meets Simin. In order to change his father's opinion about Babak, he disrupts the affairs of the factory with the cooperation of some evil workers, and with their help, he writes false reports about the management of the factory and delivers them to his father ...