Jacques D'Artagnan is a former musketeer who has trained his daughter, Valentine, to fence and fight as well as he ever could. Eager to follow in her father's footsteps, Valentine heads to Paris where Commander Finot balks at the idea of a female musketeer. Undaunted, Valentine sets out to prove herself by rescuing the king's fiancée from a fearsome band of kidnappers, and is accompanied by the sons of other famous musketeers.