The Three Musketeers

Set in the 17th century, it recounts the adventures of a young man named d'Artagnan after he leaves home to become a guard of the musketeers. D'Artagnan is not one of the musketeers of the title; those are his friends Athos, Porthos, and Aramis, inseparable friends who live by the motto "all for one, one for all". D'Artagnan and his new love interest, Constance, help the French queen give a particular piece of jewelery to her paramour, the Duke of Buckingham. The Cardinal learns of this and coaxes the French king to hold a ball where the queen must wear the jewelery; its absence will reveal her infidelity. The four companions retrieve the jewelery from England. And the story get more exciting from here.