Amin is unjustly imprisoned after three of his coworkers, Mahfouz, Shaker, and Anwar, give false testimony against him. After Amin dies in prison, his son Nabil returns from America and discovers that his father was innocent. However, he realizes that proving his innocence is now pointless, so he decides to take revenge on the three coworkers responsible for his father’s imprisonment and eventual death from grief and despair.