InthecountrysideofEngland,theDucdeRichleaua.k.aNicholaswelcomeshisoldfriendRexVanRynthathasflowntomeethimandSimonAron,whoisthesonofanoldfriendofthemthathadpassedawaybutchargedthemthetaskofwatchingtheyoungster.NicholasandRexunexpectedlyvisitSimonthatisreceivingtwelvemysteriousfriends.SoonerNicholas,whoisproficientinblackmagic,learnsthattheguestsarememberofasataniccultandSimonandhisfriendTanithCarlislewillbebaptizedbythepowerfulleaderMocatatoservethedevil.ThetwofriendsabductSimonandTanithexpectingtosavetheirsoulsbutMocatasummonstheAngelofDeathandtheGoatofMendestohelphiminabattlebetweenthegoodandtheforcesofevil.