A spellbinding multi-generational novel filled with history, mystery, murder, and enduring love, set in the Irish countryside of the 1800s and today from the award-winning author of The Boleyn King trilogy. In 1883, the Lady Jenny Gallagher, age 23, died suddenly at her home of Deeprath Castle, deep in the Irish countryside. In 1992, Cillian Gallagher and his beautiful wife Lily were found dead within the castle walls. A suicide/murder? Or two murders? In 2015, Carragh Ryan is offered the job of taking an inventory of the vast library at Deeprath Castle. But what she finds at the castle leads Carragh ever deeper into the heart of an ancient and sinister family secret.