A varied crew of travelers--from a rock star (Clive Turner) to a professor (Nigel Treffitt)--is summoned to a 15th-century castle in Budapest, where they are greeted by the Count (Philip Davis), who is anything but forthcoming about why they have been brought there. Had they seen the
prolog, the visitors would know that back in the Middle Ages the residents of the castle committed mass suicide in order to stamp out the bloodline of a werewolf. However, one baby lycanthrope survived, and the Count has summoned these folks because one of them is the werewolf's descendent.
Naturally, mangled corpses begin piling up as the suspects are eliminated by the real werewolf. ...