Growing up, Gregoire wanted only two things: to become a dashing musketeer, and to marry his best friend Charlotte. His dreams are shattered when his family are arrested for being part of a plot to usurp the king. Gregoire loses everything that matters. His family. A career. Charlotte. Charlotte liked to run fast, climb trees and get into things she shouldn’t, but the downfall of Gregoire’s family forces Charlotte into a marriage without love, destined for a life of needlework, boredom, and loneliness. But fate is not done with them. When they are unexpectedly reunited, it is at the hand of Cardinal Richelieu, France’s spymaster. Gregoire, a petty thief, wants nothing more than to escape France and the mantle of alleged treachery his family bears, while Charlotte longs for independence. The ruthless cardinal has offered them all this, if they just do one small job for him…