The legendary John of the Black Bands begins a romantic relationship with a beautiful girl without revealing his identity. The girl unconsciously discovers the truth and retires to a convent. She thinks that John is guilty of the death of her family, and cannot continue to love him. He remains wounded in battle.

Vittorio Gassmanas Giovanni De Medici
Constance Smithas Emma Caldana
Gérard Landryas Gasparo
Anna Maria Ferreroas Anna
Philippe Hersentas Fra' Salvatore
Silvio Bagolinias Il servo gobbo
Ubaldo Layas Stefano, il padre di Anna
Andrea Aurelias Conte de Lautrec
Emma Baronas Madre di Emma
Mario Collias Tommaso, fratello di Emma