A journalist descends into the dark underbelly of the Iranian holy city of Mashhad as she investigates the serial killings of sex workers by the so called "Spider Killer", who believes he is cleansing the streets of sinners.
The story of this series begins with the disappearance of a 3-year-old girl during the Iran-Iraq war, and after the girl is found thirty years later, the family of Abbas Movadet (Saeed Nikpour) undergoes a transformation.
