D'Artagnan arrives in Paris trying to find his attackers after being left for dead, which leads him to a real war where the future of France is at stake. He aligns himself with Athos, Porthos and Aramis, three musketeers of the King.
Three loyal swordsmen and an eager recruit battle enormous odds in their attempt to defeat an evil royal advisor and a seductive envoy plotting to overthrow the King of France.