In this sapphic slasher novel, Sundae Valentine made a deal with a monster in Wildwood, N.J., when she was a child, and barely escaped with her life. Six years later, Sundae’s braving Wildwood again for a killer beach party to celebrate prom with the cheerleaders and the football team. But the monster is back, too, and this time he’ll stop at nothing to make sure she pays her debts.