Lin Xiaoman, a food delivery rider, gets into a car accident while delivering an order on a stormy night. When he wakes up, he finds himself transported to a remote border town in the cultivation world called Luochentown, where he has become the owner of a dilapidated inn. The ancestral accessory on his chest activates an unreliable system named Xiao Tian, which tells him that his delivery box can carry goods between two worlds. He must figure out its specific functions himself. Establishing Sandstorm Department Store, he supplies each world with the goods it needs. This brings him not only enormous wealth but also special attention from mortals, cultivators, demons, monster clans, and dragons. What fate ultimately awaits him?