Al-Malak al-Zalem (The Unjust Angel)

Nadia's (Faten Hamama) father is prisoned for a murder crime he didn't commit. His lawyer fails to get him out of jail, and decides to raise his daughter. Years later, after Nadia has finished her school education, she enters college, where she is assigned to do a research on prisoners and their social effect. She, with the help of her fiancé, played by Kamal Al-Shennawi, seek to free him and prove his innocence. In court, the father is proved to be innocent, and the true murderer is jailed.