Blending epic action and adventure, this film is based on Alexandre Dumas's classic novel. D'Artagnan (François Civil), a spirited young Gascon, is left for dead after trying to save a noblewoman from being kidnapped. Once in Paris, he seeks to find his attackers, unaware that his quest will lead him into the heart of a war threatening the future of France. This is the first part of a two-part saga.