Daylon's new psychological thriller tells the heart-racing story of a woman's desperate fight to escape her depraved captor and the tenacious search of a brilliant PI to unravel a three-year-old mystery, keeping a secret promise he made long ago . . . Rose Harrington is a strong, independent young woman whose world has been rocked by loss. Three years ago, her sister Margo went missing. Despite an exhaustive search by police and the assistance of Rose's friend and private investigator, Shaughnessy Flynn, Margo has never been found. Three months ago, Rose's beloved mother died....