It is the summer of 1919 in Nantucket. At the engagement party for blue blood “Chip” Chatamborough and the pushy (though socially desirable) “Bitsy” Claypoole, Chip meets the exotic Madeline Mojeaux. It is love at first site, but Chip is to be married, and Madeline is scheduled to be sacrificed to the Ruler of the Netherworld at the next full moon. It is something of a dilemma. While the two are trying to find a solution, Madeline accidentally dances off the roof to an untimely death. With the help of Madeline’s mother, the mystical Diabolique Mojeaux, Chip fakes his own death to follow Madeline beyond the grave, hoping to reclaim the one true love of his life.