Maintenance worker Li Xin activated the sacred mecha system, gained the ability to copy mechas, and became involved in the mecha war between Blue Star and Goer Star. He fought against Chaos pollution and enemy encirclement and suppression. From being forced to join the war to actively guarding, he gradually grew into a top mecha master. Finally, he transformed into the "Galaxy" super mecha, defeated the God of Chaos, protected millions of civilians in Dan'an City, and wrote a bloody counterattack legend.
