The authorities summon many young men for forced labor in the Suez Canal, so Metwally leaves his sister Shafiqa alone with their old grandfather, whereupon Shafiqa is forced to succumb to the temptations of Diab, the district chief's son. As their sinful relationship is revealed, she is forced to leave for Asyut, where she becomes the mistress of Al Tarabishi, the supplier of slaves.