The series follows Akira Yuki and his quest to see the eight stars of heaven after he had gotten overconfident in his Bajiquan skills from his days training with his grandfather. Initially traveling to figure out how to see those stars again, he learns that Sarah Bryant was kidnapped by robotics scientist Eva Durix as part of Eva's quest to create the "Perfect Soldier." Akira joins up with other characters in his journey such as Pai Chan, Jacky Bryant, Lion Rafale, Kage-Maru and Shun Di to save Sarah.