Twenty years after Aramis, Athos, Porthos, and d’Artagnan went their separate ways, the new cardinal, Mazarin, asks d’Artagnan to find his three friends and enlist them to help Mazarin during the Fronde civil war. Only Porthos accepts, and the four musketeers soon find themselves on opposite sides of the conflict. This cannot, of course, last very long, and they ultimately join forces in England to try to rescue Charles I...