Aiden Bishop knows the rules. Evelyn Hardcastle will die every day until he can identify her killer and break the cycle. But every time the day begins again, Aiden wakes up in the body of a different guest at Blackheath Manor.
A murder on the high seas. A remarkable detective duo. A demon who may or may not exist.
On an isolated island, an impossible murder triggers a world-ending phenomenon that can only be stopped by the identification of the killer.