When Gabby St. Claire's ex-fianc?, Riley Thomas, asks for her help in investigating a possible murder at a couples' retreat, she knows she should say no. She knows she should run far, far away from the danger of both being around Riley and the crime. But her nosy instincts and determination take precedent over her logic. At the retreat center she feels like she's stepped into the pages of a creepy gothic novel: an isolated island that's often foggy,...