Around 1820 the son of a California nobleman comes home from Spain to find his native land under a villainous dictatorship. On the one hand he plays the useless fop, while on the other he is the masked avenger Zorro.

The story of trench life during World War I through the lives of a French regiment. As men are killed and replaced jaunty Lt. Denet becomes more and more somber. His rival for the affection of nurse Monique is Capt. La Roche.