The hot-headed young D'Artagnan along with three former legendary but now down on their luck Musketeers must unite and defeat a beautiful double agent and her villainous employer from seizing the French throne and engulfing Europe in war.
D'Artagnan travels to Paris hoping to become a musketeer, one of the French king's elite bodyguards, only to discover that the corps has been disbanded by conniving Cardinal Richelieu, who secretly hopes to usurp the throne. Fortunately, Athos, Porthos and Aramis have refused to lay down their weapons and continue to protect their king. D'Artagnan joins with the rogues to expose Richelieu's plot against the crown.
The life of Jeanne Bécu, who was born as the illegitimate daughter of an impoverished seamstress in 1743 and went on to rise through the Court of Louis XV to become his last official mistress.
Honorin is the simple and naive stage manager of a traveling theatre troupe, whose one ambition is to once play the role of the cavalier in the opera "Francis I, or the Loves of the Beautiful Ferroniere". A hypnotist puts him to sleep and in his dreams he is transplanted to the days of the Renaissance. There, among other items, he is made a Duke by Henri VIII, fights a duel and survives a series of medieval tortures, while also bestowing some 20th century blessings on the court of Francis I.
Asked by Francis I to tutor his son, Diane de Poitiers becomes the future King Henry II's mistress in 1500s France.