A young rich guy because of bad companies becomes alcoholic and loses all his fortune in gambling and even loses his wife. He goes wandering the streets alone with his son. But in an accident he loses his son too and eventually becomes blind. But finally after many years he manages to find his son and they begin together a new life.

Shahin, fed up with the oppression and injustice of the Caliph's agents against his compatriots, is tasked by Tahir Dhul-Yaminayn, a supporter of Ma'mun, to go to Baghdad and, with the help of Iranians, fight against the Caliph. At the same time, Shahin learns that the Caliph's agents have set fire to an Iranian village where his cousin and fiancée, Shahrzad, and her brother, Behzad, live, taking them captive to the Caliph's court. Shahin sets off for Baghdad and, after some struggles, frees them both.