Water of repentance

The people of Yazd are harassed by Qasim the extortionist, until Habib and Tahir force Qasim to change his ways. One night, Habib meets Shirin, Qasim's friend, in a notorious neighborhood and offers to marry her if she repents. Habib takes Shirin to Mashhad and gives his sister Maryam to Tahir.