October, 1913—across the lonely Scottish moors to the Cailean’s Blackthorne Estate, come men and women in horse-drawn coaches, motor cars, and even on horseback. The glittering ballroom is teeming with guests eager to partake the awaiting sexual pleasure. The real action, however, takes place in the cellars of Blackthorne, where captive maidens and a few young men satisfy the constant flow of guests who find their way down the winding stone stairway into a forbidden paradise.