Dastardly Prince Blackpool sends a gift to Princess Ariel that contains a device set to wipe out the kingdom unless the king surrenders.

Prince Erik Greystone is forced to postpone his marriage to the Princess of Camarand and defend her kingdom from attack by Prince Blackpool, who's wearing a monocle that empowers him to use black magic.

Battling lightning bolts, black magic and demon monsters, Prince Erik and Marko ride to the rescue of Princess Ariel who's been kidnapped to the Land of Storms by Blackpool.

On a courtship picnic, Prince Erik and Princess Ariel blunder upon a haunted castle that bears a curse marking transgressors for death at the hand of friends -- in this case, a crazed Marko.

Vector casts the curse of crimson fever on both Prince Blackpool and King Greystone, father of Prince Erik.

Prince Erik employs a rag-tag carnival troupe to negotiate the treacherous path into Blackpool's castle where Marko awaits torture or rescue -- whichever comes first.

While a guest of King Baaldorf under a flag of truce, Vector resurrects a killer zombie to murder Blackpool, but the creature goes out of control and lays siege to the castle.