From the outside, Olivia seems to lead an idyllic existence with her husband and children. But when she starts receiving notes, she knows her perfect life is under threat.
She thought she’d managed to put the past behind her, but someone seems determined to reveal her secret.
Meanwhile girls are vanishing in the area and Olivia fears for her family’s safety.
Has someone discovered the real reason she left Scotland all those years ago?
And does her secret have links to the recent disappearances?
When someone is out to get you, is there anywhere you can hide?