Ye Tiance travels through time to the Ming Dynasty and obtains a system that allows him to travel between two worlds. The more real gold and silver he earns, the more powerful the system becomes. In pursuit of immortality, Ye Tiance begins transporting modern goods to sell in ancient times. Until one day, he encounters the Hongwu Emperor, Zhu Yuanzhang, who visits his shop carrying a lighter. Their relationship develops from suspicion to trust.