Xia Dong, a programmer who collapses at work after years of exhaustion, unexpectedly returns to 2008 with a future phone and a local AI. Starting with a comeback in the national college entrance examination, he gradually saves his parents' struggling factory. Using his original creation, Fat Orange, to seize opportunities in e-commerce, he protects his family and helps his partners succeed through technology, integrity, and responsibility. As online traffic, capital, and leading companies in the industry enter the scene one after another, can Xia Dong, armed with the advantage of knowing the future, truly reach the pinnacle of the technological wave?