It tells the story of Davoud's return to his hometown with his mother; a return that is accompanied by family challenges, competition over the pistachio business, and the discovery of a suspicious secret.

A murder has occurred, and the police, in their search for the killer, are confronted with the visible and hidden aspects of the life of the victim - Engineer Mehran Shahrokhi. Secrets are revealed. Secrets that have so affected the ways of life today that sometimes it seems impossible to recognize the true face of a person. The police, using their skills and intelligence, discover the hidden faces behind each face one by one and try to get ahead of events, but...