Dell Costa is reeling from the events that transpired on Halcyon Bay. Since learning the truth about her sister, she's been haunted by grief and cruel memories of her time at Cliffmoor House. To make matters worse, the search for her fugitive uncle has hit a dead end. That is, until Dell's cousin Tristen unexpectedly arrives in Woodbridge, bringing news that leads her back to the island—and the mansion—of her nightmares.