1956. It's Ellen Crosby's first day at work as a student nurse at Ambergate County Lunatic Asylum. When she meets a young girl committed by her father, and a pioneering physician keen to try out the various 'cures' available 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 and whilst exploring the old corridors she discovers a suitcase in an attic belonging to a female patient who was admitted to the asylum 50 years earlier. The shocking contents of the suitcase lead Sarah to unravel a forgotten story of tragedy, lost love and an old wrong that only Sarah may have the power to put right.