Episode 4: Once a hot property actress, Lydia has become mired in drink, drugs and front page scandal. Unable to get work, depressed and lonely she contemplates a suicidal overdose - only to wake up in a rehab clinic in the future. Guided by The Custodian, Lydia discovers that she is the key to saving mankind from a dystopian nightmare. She needs to clean up and become the actress that destiny requires. Could this be true? Can Lydia's fragile state take the pressure, or is it all in her mind as she lays unconscious in the bath?