Glynteg was never much of a place. Since the refinery’s shut down there’s been nothing much going on – no jobs, no money, more pubs than buses. One of those sad Welsh towns where’s there’s little to do but drink. Then the frakking company came and there was a brief spark of hope – maybe there’d be some jobs, at least. But that fizzled out. Instead the people started falling ill. Gwen Cooper’s come to Glynteg to find out what’s happening. Something ancient has woken up beneath the ground and will do whatever it can to protect itself. The Hunters have been unleashed. And there’s only one way to stay safe.