Eighteen-year-old Emma has loving parents and a promising future ahead of her.So why, one morning, does she leave home without a trace?Her parents, Cath and Jim, are devastated. They have no idea why Emma left, where she is - or even whether she is still alive.Meanwhile, tantalisingly close to home, Emma is also struggling with her new existence - and with the trauma that shattered her life.For all of them, reconciliation seems an impossible dream. Does the way forward lie in facing up to the secrets of the past - secrets that have been hidden for years?Secrets that have the power to heal them, or to destroy their family forever ...