When Ann, husband George, and son Georgie arrive at their holiday home they are visited by a pair of polite and seemingly pleasant young men. Armed with deceptively sweet smiles and some golf clubs, they proceed to terrorize and torture the tight-knit clan, giving them until the next day to survive.

Kingdom of Hungary, 17th century. As she gets older, powerful Countess Erzsébet Báthory (1560-1614), blinded by the passion that she feels for a younger man, succumbs to the mad delusion that blood will keep her young and beautiful forever.