Lord is the great house of happiness. His daughter Maryam and Sohrab, Saadat's son, become interested in each other. One day, the two are captured by the gendarmes, and Saadat, after guaranteeing them, forbids his son from continuing the relationship with Maryam, and in order to prevent their relationship, he orders two people to monitor Sohrab. Sohrab continues his relationship with Maryam and does not heed his father's warnings. Maryam's father also blames his wife and daughter for continuing the relationship. Sohrab and Maryam decide to run away from home. Before leaving, the two eat poisonous contaminated food that Sohrab's mother feeds the neighborhood's stray dogs. Sohrab and Maryam live together in a carousel.

Nayyer after killing a woman takes over Sha'ban's lands and accused him of the killing causing him to be imprisoned. A young guy known as Red-Haired is protecting her. But Sha'ban is back and this time in a quarrel gets killed by Nayyer's men. Meanwhile, a young girl Ahou is coming in the middle which causes Red-Haired to fall in love with her. This changes everything and leads Red-haired to face Nayyer and her men.

Nasim lives with her mother, Naneh-Roghi, in a public house. A girl named Badri, who also works in the same house, is interested in Nasim. One day, Badri shows Naneh-Roghi a photo of a man named Mehrnia, who has promised to marry her. Naneh-Roghi confesses that Nasim is the result of her illegitimate relationship with Mehrnia, and in a meeting with Mehrnia, she asks him to bring some stability to Nasim’s life...