一个女记者深入伊朗最神圣的城市马什哈德，追踪调查连环凶手“蜘蛛杀手”以“清洗街头罪恶”为名残害女性性工作者，但随着死亡人数的剧增，以及真相的接近，记者发现整个社会开始奉“蜘蛛杀手”为英雄，这使得她追寻正义的机会变得渺茫。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.
