Peter Rathbone, Duke of Compton, is mourning the loss of his sister Delia, but the work of keeping his family's deteriorating estate afloat is never done. When Miss Ada Grandison, a close friend of his sister, arrives with a mysterious letter that she claims holds the secret to saving the family home, Peter is skeptical to say the least…and his life is about to get even more complicated. Ada is eager to do whatever she can to help the Rathbones. She brings clues that Delia claimed would change everything for the family and that lead Ada and Peter on a hunt to unravel the past. But they'll have to face their painful memories—and their true feelings for each other—to discover the truth.