The reckoning of darkness (2018)

The sole survivor of a shipwreck washes ashore on an island at the extreme north of the British Isles. The survivor, Victor, is restored to health by the local inhabitants but guards the secrets of his haunted past and of an evil which has found its way to this remote world, hell-bent on vengeance. So starts the dramatic and violent chain of events in which the tale of Victor’s sinister experiments gradually emerges.