For centuries Black Shuck has patrolled the coastal paths of Norfolk - a spectral portent of death. But recent events have allowed the massive phantom dog to evolve, to metamorphose, into something altogether more horrifying. Gaining strength and powers by the day, Shuck has developed a gruesome appetite - a hunger the hell hound sets out to satiate...

Burnt out wildlife film-maker Harry Lambert needs a serious rest. His colleague and best friend is dead, his wife has left him and his career has derailed. A spot of bird-watching on the Norfolk coast should help, but unfortunately for Harry he stumbles into Black Shuck's territory, and the fearsome beast finds what it was looking for...