In Cairo in 1914, two friends meet two girls from behind the Yashmak. They are Nima, Muhammad’s sister, and her friend Hosnia. The two young men fall in love, but the girl proposes to another young man, which shocks Hassan, so his friend stands next to him. A sin occurs between Hosnia and Hassan, the result of which is that... Hosnia gives birth to Souad. Souad grows up without knowing a father.