The Victory of Youth: Waheed, the young composer, struggles with his sister, the singer Nadia, to make a living. They find work in one of the nightclubs, but the manager expels them because Nadia refuses to sit with the patrons. They suffer from torment and homelessness. Nadia falls in love with the wealthy Mohi, who agrees to marry her, but his mother opposes. As for Waheed, He also loves a rich girl and agrees with her brother to marry her. Mohi marries Nadia without caring about his mother, and Waheed succeeds in presenting the operetta he dreamed of directing.