After a dramatic accident Kit and his parents find themselves washed up on a small island.

But there is no sanctuary here. The local community is hostile and menacing. Soon Kit's life is in danger and he is forced to face not just the inhabitants but a disturbing new arrival whose presence on the island terrifies the community.

In his struggle to stay alive and make sense of what is happening Kit is forced to confront good and evil in unexpected forms, even within himself, and face trials and dangers beyond anything he could have imagined.