CBA best-selling author Colleen Coble sets this romantic suspense along California's rugged coast at the turn of the 20th century. When Mercy Falls telephone operator Katie Russell overhears a chilling exchange, she's convinced a friend's disappearance is linked to another investigation by new lighthouse keeper Will Jasperson. As Katie joins forces with Will, the danger intensifies. And, despite her parents' plans for her to marry well, she feels drawn to Will.