A tale of swashbuckling and heroism follows the fortunes of d'Artagnan, a headstrong country boy who travels to Paris to join the Musketeers - the bodyguards of King Louis XIII. Here he falls in with Athos, Porthos, and Aramis, and the four friends soon find themselves caught up in court politics and intrigue. Along with outwitting Cardinal Richelieu's plot to gain influence over the king, they must also thwart the scheme of the beautiful spy, Milady, to disgrace the queen.