Young Su Bai stayed at home, guarding the mecha repair shop left by his parents. With his exclusive auxiliary ability, he devoted himself to studying the technology of mecha repair and modification, and accumulated resources and connections in the process of repairing mechas again and again. Su Bai personally built his own mecha and relied on his excellent strength to fight against the hostile forces who were secretly plotting illegal plans. He accepted orders for equipment, expanded his workshop, and grew stronger step by step. While protecting his friends, he continued to pursue the truth behind his parents' death, and embarked on a growth adventure for a young mechanic.