Devil-Z calls in other Decepticons from space for back-up, and to bring in a new super-weapon. A fellow pretender named Grand Maximus, having discovered this, journeys to earth to warn the stationed-autobots and to destroy it: his plan is to upgrade super-Ginrai into "Godbomber" (Ginrai though is a bit offended that Grand doesn't think Ginrai can handle it without the upgrade). Meanwhile, Hydra and Buster have been tasked with eliminating the autobot-godmasters, starting with Lightfoot: they kidnap Lightfoot's father Leftfoot (and his workers) and when Lightfoot finds this out he doesn't waste a second coming to the rescue, but Hydra threatens to kill Leftfoot if Lightfoot doesn't either join the decepticons or surrender his bracelets...