16-year-old orphan Tom Swinton is not looking forward to spending the summer at his boarding school. So when he receives a strange message from his uncle James, inviting him to visit his Suffolk farm, he jumps at the chance. However, Tom quickly realizes that something is menacing Mundham Farm. But does it come from outside, or within? The mystery deepens when Tom finds old diaries describing a romance with a member of a supernatural race known as...