A Royal Revenge! Reunited thirty years after their earlier adventures, D'Artagnan and the Three Musketeers join forces once again, this time in a daring plot to replace the King of France with a mysterious look-alike! Follow their thrilling adventures as they free a royal prisoner from the Bastille. . .as they place him on the throne. . .and as they suffer the true king's revenge, in this, the last and most exciting tale of the Four Musketeers!