Xia Dong, a 23-year-old programmer, was unexpectedly reborn back in 2008, taking with him a smartphone equipped with a future AI assistant. Facing the family toy factory that was on the verge of bankruptcy during the financial crisis, he relied on his advanced cognition and AI think tank to change his destiny: he persuaded his parents to switch to domestic sales, seized the opportunity of e-commerce to open a store, built a website using Olympic traffic, and accurately planned the stock market and real estate. From saving the family to expanding the business territory, Xia Dong overcomes obstacles all the way, using future knowledge to rewrite the fate of life and family, starting a cheat-like rebirth and entrepreneurial legend.