In the future city of "Tianqiong City" where classes are solidified, Xia Qiyuan, a waste picker in Xiacheng District, discovered in an accident that he could connect with "prehistoric treasures" that the world regarded as scrap metal, and repair and upgrade them. Starting from an inconspicuous metal Rubik's Cube, he repaired ancient civilian equipment, modified abandoned combat machinery, and rose from the bottom of society step by step. As he comes into contact with more and more powerful relics, a shocking secret about the fault lines of human civilization and unknown threats deep in the universe also emerges. He will use this unique ability to fight against the greed of the chaebols, uncover the mists of history, and finally embark on a journey to the stars and the sea.
