A recluse on a remote Scottish island rescues a girl from the sea, unleashing a perilous sequence of events that culminate in an attack on his home, compelling him to face his turbulent history.

Follows a secretive society which tracks supernatural beings like witches, vampires, and werewolves.

Eddie Franks is a former criminal who attempts to help his family by reconnecting with his daughter and clearing his brother's debt. Despite his efforts, he is drawn back into a criminal way of life, with devastating consequences.