Two lighthouse keepers try to maintain their sanity while living on a remote and mysterious New England island in the 1890s.
James is 17 and is pretty sure he is a psychopath. Alyssa, also 17, is the cool and moody new girl at school. The pair make a connection and she persuades him to embark on a darkly comedic road trip in search of her real father.
When an American family is invited to spend the weekend at the idyllic country estate of a charming British family they befriended on vacation, what begins as a dream holiday soon warps into a snarled psychological nightmare.