A Gilded Age socialite-turned-sleuth must clear her fiancé of murder in the New York Times–bestselling author’s historical mystery romance series. Called to the home of her fiancé’s former mistress late one night, Francesca Cahill finds her curiosity piqued. But upon arrival, she is shocked to find Daisy Jones’s bloodied body . . . and even more devastated when the evidence points to one suspect: her fiancé, Calder Hart. Francesca refuses to believe that Calder is capable of such an act. Still, she is unable to shake her instinctive sense that Calder is lying about something. The police are far less inclined to believe his innocence, and Calder is arrested for Daisy’s murder. But Francesca’s heart is not easily swayed—until a life-altering secret is exposed that could destroy their future together.