A skeptical Vatican priest travels to the southern Dutch province of Limburg to investigate a reported miracle, only to get entangled in a series of apparently miraculous events that undermine his vocation.

Damion Dracula lives in a big house with his Siamese twin daughters and his staff. Agaath, his half-sister, and her daughter Florentina come over to stay for a few days. After that, two young female tourists also end up in his house. Dracula organizes a big party for his friends. When the party is going on, all kinds of terrible things start to happen and finally all hell breaks loose.