After a lone assailant tries to kill Abraham the giant Ape in captivity, a young journalist discovers a global cabal of world leaders plotting to awaken an ancient creature buried beneath the ocean floor to bring about the end of the world as we know it. Now mankind's last hope rests on an uneasy alliance between the battle-hardened Abraham and his rebuilt mechanical arch-nemesis, Mecha Ape MkII, to defeat this devastating new enemy and save the Earth.