When Max brings an ancient necklace back from Egypt and gives it to a girl named Jiffie, it turns out to have a curse that causes her to be kidnapped for sacrifice to a snake god.

Max, Virgil, Norman, and a rich Texan go traveling underwater in submarine to battle a a giant octopus that is capturing and destroying ships. While underwater, the group encounters a squid civilization.

Max, Virgil, and Norman travel to Scotland, where there are reported sightings of werewolves. While there, Norman and Virgil are imprisoned and Max meets a man and discovers that he is a werewolf. They do some investigating and learns that a scientist is stealing the blood of natural werewolves to perfect the means of turning herself into an ultimate powerful werewolf. Max outsmarts and defeats her. The man and his pact of werewolves head off into the forest to live in peace.