Excited to make a fresh start away from London, Martyn and Rebecca move into a beautiful house in Glasgow with their two young children. At first the new home seems idyllic, but when their neighbour Jan makes unnerving comments to Rebecca it turns out to be the start of something far more intimidating. Facing accusations that are every parent's worst nightmare, and with the authorities refusing to step in, Martyn and Rebecca feel they have nowhere to turn to for help.