When the mysterious “Joe of Spades” (Jo Shishido) executes one of the bosses of a powerful syndicate, his colleagues, fearing for their own lives, call on the services of assassin agency Murder Unincorporated to take care of the problem. This unique entry showcases some of the most peculiar killing tactics to ever hit Japanese cinema!

When a giant stone statue on Wester Island is disturbed, the legendary monster Jiger appears and heads for Japan. Gamera tries to stop this new rival, only to be injured when Jiger lays eggs inside of him. As two boys in a submarine go on a dangerous quest inside of Gamera's body to save him, Jiger threatens the Expo '70 world's fair in Osaka.