The pleasant voice of Nemat, a young man from Ahwaz, leads to Jamshid, the owner of a cabaret in Tehran, achieving popularity and wealth. However, when Nemat tries to use his talent for his own benefit, Jamshid, feeling wronged and seeking revenge, attempts to rape Ameneh, who is loved by Nemat. But Ameneh, commits suicide, and Jamshid is eventually caught by the claws of justice.