(Zainab) works in a factory to raise her daughter (Nemat) and son (Hussein), but she refuses to marry (Ayoub). The factory owner tries to trap Zainab, but she pushes him back. So Ayoub decides to burn the factory, rob and kill its owner, the crime succeeds, he changes his personality, and becomes rich, and (Zainab) is accused of the crime and imprisoned, (Hussein) grows up, and becomes a lawyer, while (Nemat) works as a tailor, and she believes that getting rich by any means is the solution. (Zainab) escapes from prison to meet her children, and searches for evidence of her innocence, which is a letter hidden by her brother (Ahmed).