As a teenager, Sarah D'Villez famously escaped a man who abducted and held her hostage for eleven days. The case became notorious, with Sarah's face splashed across the front of every newspaper in the country.

Seventeen years later, Sarah's attempt to build a normal life for herself in London has failed. When she hears of her kidnapper's impending release from prison, fearful of the media storm that is sure to follow, she decides to flee to rural Wales under a new identity, telling nobody where she's gone.

As Sarah settles in to her isolated new home and gets to know the small community she is now part of, it soon becomes creepily apparent that someone is watching her. Meanwhile, back in London, her mother makes a shocking discovery - something she fears will put Sarah's life in danger. She must urgently find her missing daughter before it's too late...