"An eco-wellness retreat has opened on an island off the English coast, promising rest and relaxation— but the island itself, once the playground of a serial killer, is rumored to be cursed. Detective Elin Warner is called to the retreat when a young woman's body is found on the rocks below the yoga pavilion in what seems to be a tragic fall. But the victim wasn't a guest— she wasn't meant to be on the island at all. When a guest drowns in a diving...