1840 and another ship crashes on the rocks of an almost deserted island in Scotland. Three sailors survive the wreck and make it to shore where the few locals take them in as they wait for the mainland boat to come for them. But the sailors' survival story has only just started as they uncover the strange past of the once vibrant island.

Three lighthouse keepers on an uninhabited island off the coast of Scotland discover something that isn't theirs to keep.