Using Leonardo Da Vinci's innovative designs for weapons of war, flying engines and other machinery, three brothers join forces to fight a wicked and powerful Duke in early-Renaissance Italy.
Writer: Leopoldo Savona, Roberto Gianviti, Gino Mangini
Story: Mario Amendola
Director: Leopoldo Savona
Screenplay: Mario Amendola
Director of Photography: Pier Ludovico Pavoni