Kamal and his friends Ezzatollah and Bagher are involved in smuggling. They work for Mehdi Jabbar and decide to turn to an honorable profession. One of Kamal's friends named Kazem-Baba is killed by the gendarmes while transporting a smuggled shipment. Before his death, he asks Kamal to take care of his son Amir. Mehdi spreads rumors that Kazem was killed due to Kamal's conspiracy and that he intends to seize Kazem's ship.

Mehdi “the Leopard” is released from prison after seven years, only to find Ghasem and his gang standing in his way — they have shut down his gambling den and driven the neighborhood to desperation. Mehdi helps an old woman, and her granddaughter Maryam — whose father is in prison — asks Mehdi to pretend to be her father in front of her friends. Mehdi agrees, and the two gradually grow fond of each other. Ghasem and his men plot to kill Mehdi, and after failing in their first attempt, they kidnap Maryam...

Everyone respects Kaka Mostafa, the standard-bearer and the trusted elder of the neighborhood. He intends to appoint Karim, his disciple, as the new standard-bearer. The Bibi-Hassan brothers kill Rahman’s brother, and seven of them are imprisoned. The Bibi-Hassan brothers entrust their sister, Suri, to Kaka Mostafa. Rahman returns to his hometown, Shiraz, and violates Soori—who is living in Kaka Mostafa’s house—and the girl then takes refuge in a brothel...