Long ago and far away in the universe, there was a kind of robots named BXJG on one planet. Different evolving broke them up into two camps, one was good and the other was evil. All forms of the energy on the planet was exhausted by their hundreds-years war, so the chief of GOOD-BXJG was leading his camp into the cosmos looking for their new home. But the EVIL-BXJG were also following up. Both of their battle-ships accidentally crashed on the Earth. Unfortunately their electro-hearts were activated by an awakening volcano after several hundred years. So they disguised themselves as cars and airplanes separately. As a bad result, the war will continue on earth