Chand tare mu.

Pirzad's mother, in a telephone conversation with her, finds that she is detached from her husband, Pejman, she was informed that her son Behzad was arrested in student confrontations and he was looking for a solution. Pejman accompanies his son Septa and a woman named Bita going to the north. Cima is the sister of Homa, an environmental expert, on a journey and engineer Pirzad is hunting with his brother. Immediately following the arrest of Behzad, Sima reacts to persuading him to contact Pejman