Kerstin is wide awake. While her family sleeps around her, the devastating secret her husband just told her is spinning through her mind. Does she really know the man she married? And are her children still safe in this small town?

She jumps as she hears a sound from outside. Peering into the inky darkness, her eyes focus on movement at the bottom of the garden. Someone is out there.

She watches as the figure strikes a single match. Kerstin gasps at the sight of the face staring back at her, smiling, as if enjoying her fear.

A car door slams and the figure makes a dash for the trees, leaving something behind – a small memorial candle. As it flickers in the darkness, Kerstin knows exactly what it means. Someone is coming for her, and her family is in terrible danger