Meet Miss Anastasia Galipp. Debutante, know-it-all, and the Home Office’s secret weapon. She gathers gossip in the ballrooms of Mayfair, winnowing through to discover Society’s most unsavory secrets. But her position is a precarious one, and she needs to prove herself to be the spy she thinks she is once and for all. When she’s assigned a case that hits close to home, she thinks she sees her chance. But add in a wedding to stop, a new partner, some dangerous magic, and an unexpected duchess, and Anastasia’s life is suddenly more complicated than she ever imagined.