The very balance of our planet is in jeopardy! Brute Force must battle Heavy Metal for the fate of the environment!

The animals are given individual missions and they seem successful however the animals. Soar the eagle however assaults a factory by clogging the smokestacks with a boulder. Surfstreak the dolphin rescues a oil tanker only to find it attacked by the gorilla they lost in their first mission. Now sporting armor and calling himself Uproar the gorilla is now a member of an evil Brute Force called Heavy Metal. Heavy Metal is composed of Bloodbath the shark, Tailgunner the vulture, Ramrod the rhino, and Armory the octopus. Brute Force arrives to assist Surftstreak and defend the tanker only to be accused of being the culprits of the attack by the authorities.