After getting to know Shirin, Mehdi helps her to get Ata, who killed her father and is trying to take over the cabaret that belongs to Shirin with fake documents, out of her way. His brother Mahmoud, who studied medicine, returns to Iran, and takes an interest in his cousin Homa, who grew up with them since she was a child. The two decide to get married. But Mehdi's mother opposes Mahmoud's marriage with the argument that her eldest son should get married first.

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