The story of the Three Musketeers, D'Artagnan, and the imprisonment in an iron mask of the identical twin of the King of France, Louis XIV.

During World War II a young Frenchmen sees his brother killed in Alsace by a German officer. He vows revenge on all Germans, but after the War he is conscripted into the French Army and sent to Indochina. There he meets his brother's killer under strange circumstances.