Sam, Prune and Alice are three idle "party animals" who never miss even the most boring parties. When they finally manage to get invitations to the mysterious and famous "Medici Night", everyone thinks they've hit the jackpot... Upon arriving at the party, the trio soon discovers that they, along with the over three hundred guests present, are the main course of this grand banquet, hosted by vampires who will treat all "fortunate" attendees as their prey! The jubilant three quickly lose their enthusiasm, and the ensuing terror will drive them to use every trick in the book to escape from this ominous castle... However, once they step inside, it becomes increasingly difficult for them to leave unscathed...