The story begins with the death of Harun al-Rashid, the Abbasid caliph, and the coming to power of his son Amin. In the continuation of the war between Amin and his brother Mamun, the caliphate of Mamun and the bringing of Ali ibn Musa al-Reza to Merv is shown. It also describes the important events of this period, such as the rain prayer, the Eid al-Fitr prayer, and the debates between religions
