England, 1919: Verity Kent's grief over the loss of her husband pierces anew when she receives a cryptic letter, suggesting her beloved Sidney may have committed treason before his untimely death. Lured to Umbersea Island to attend the engagement party of one of Sidney's fellow officers, Verity mingles among the men her husband once fought beside, discovering dark secrets, and the shattering possibility that her husband may not have been the man she thought he was…