The impertinent Miss Sophia Bancroft is thrilled to be engaged to the incomparable Viscount Lucian Northrop, but at a time when most respectable young ladies would be preoccupied with setting a wedding date and choosing a bridal trousseau, Sophia still has a most un-viscountless-like penchant for solving mysteries. When danger threatens Miss Sophia Bancroft's betrothed, and the indomitable investigatrix will take any risk to protect the man she loves As aide to the British Foreign Secretay in perilous times, Lucian Payne finds himself in grave danger. Foreign agents are closing in and he can trust no one...except the inimitable lady who wears his ring.