 Lupin and his comrades travel to South Africa to steal the world s largest uncut diamond. However Guiness, the Chameleon Man wants the diamond for himself, with the advantage of camouflage making it hard to see with the normal eye. As well as a special kind of gas that can make a normal human think like a chameleon. Can Lupin defeat this freak of nature? And what about the special army tanks that can t be taken down with ordinary bullets?