Pari and her friend Mahin, under Jalal's orders, position themselves in the path of Mehdi and his friends to disrupt his marital life. Jalal, who had been Mehdi's worker, ended up in prison after issuing a forged check in Mehdi's name and subsequently being accused by him. After being released from prison, Jalal informs Fereshteh, Mehdi's wife, about her husband's affair with Pari, leading Fereshteh to leave Mehdi's house in anger. Pari becomes interested in Mehdi and, despite having checks and promissory notes from Jalal, refuses to continue her collaboration with him...