After the Gutsy Galaxy Guard's triumph over the Zonder Empire and the 31 Primevals, a new menace emerges on Earth. GGG, alongside Guy Shishio and the newly built GaoFighGar, joins forces with their French counterpart, Chasseur, to combat the villainous organization BioNet. Within Chasseur's ranks is Renais Cardiff Shishioh, a former BioNet cyborg driven by an unyielding quest to destroy those who stripped her of her humanity. However, as GGG and Chasseur engage BioNet, GGG's global bases are suddenly assaulted. The recently uncovered "Q-Parts" and the original Gao Machines are stolen by Mamoru Amami, who has been kidnapped and cloned by a far more formidable threat known as the "Eleven Kings of Sol." Expelled from Earth by the United Nations, GGG must now journey to the distant edges of the galaxy to confront the Eleven Kings of Sol and rescue Mamoru before time runs out.