1956. It's Ellen Crosby's first day as a student nurse at Ambergate County Lunatic Asylum. When she meets a young woman committed by her father, and a pioneering physician keen to try out the various 'cures' for mental illness, little does Ellen know that a choice she will make is to change all their lives for ever. 2006. Sarah is drawn to the abandoned Ambergate Asylum. Whilst exploring the old corridors she discovers a suitcase belonging to a female patient who was admitted fifty years earlier. The shocking contents lead Sarah to unravel a forgotten story of tragedy, lost love and an old wrong that only she may have the power to put right.