Wu Mou, the concubine of the Song Dynasty, used modern business thinking to break the ancient business war. Starting from taking over an abandoned old warehouse, he pioneered the "warehouse receipt circulation" model, dealing with family strife, water transportation games and secret wars between banks. Let's see how the son of a poor family, using the warehouse as his foundation and strategy as his blade, leverages the world's business network in a hierarchical world, and eventually becomes a business legend.