Darkside

It is freezing mid-winter on Exmoor, and in a closeknit village where no stranger goes unnoticed, a local woman has been murdered in her bed.
This is local policeman Jonas Holly's first murder investigation. But he is distracted by an anonymous letter, accusing him of failing to do his job.
Taunted by the killer and sidelined by his abrasive senior detective, Jonas has no choice but to strike out alone on a terrifying hunt...