Reza works in a poultry farm in Isfahan, and after he learns about his father's death, he goes to his father's house and retrieves the chimpanzee that belonged to his father. Reza meets a poor girl named Shirin, whose younger sister Mahnaz is ill and needs money for treatment. Reza discovers that in his father's will, which is hidden in the lining of the chimpanzee's jacket, it is emphasized that there is a treasure map...
Amir, a philosophy student, escapes from the hustle and bustle of the big city to go to the village with his parents for a few days. He decides to teach literacy to the children of the village; But there are people in his way who have villas in the village and are against his methods.
Farhad and Taher are two friends and partners who run a cabaret. Farhad becomes acquainted with Nazi during a trip to the north and develops an interest in her. Nazi has a warm voice, and Mahmoud, who is a rival cabaret owner to Farhad and Taher, tries to employ Nazi in his own cabaret. Farhad goes to Europe to hire some singers and loses one of his hands in an accident there. Knowing that Nazi will not accept him, Farhad stays in Europe for a while, hoping to forget Nazi.