A young boy, Ruuji Familon, is assisting his father in recovering a Zoid from the bottom of a lake when his village is attacked by silver-plated "Bio-Zoids". None of the villagers are able to pilot ...

Set on the distant planet Zi, the story unfolds in a world where biomechanical creatures called Zoids serve as powerful weapons in the long-standing conflict between the Helic Republic and the Guylos ...