War veteran turned private detective Cormoran Strike solves brutal murders with the help of his trusted assistant Robin Ellacott.

When bodies begin turning up in the tranquil English countryside that he has recently made home, a forensic anthropologist helps local police in a race against time.

A £25,000 reward offered by a local newspaper brings documentary makers Matt and his girlfriend Georgia to the remote North Devon moor in a bid to capture the fabled Beast purported to be a wild cat, like a panther or a puma on film.