Jiang He, a modern supermarket manager, arrives in ancient Yanmen City with her entire supermarket. The first major customer to walk through her doors turns out to be the young general Pei Zhaoye. Rice, instant noodles, daily necessities—everything leaves the people of ancient times amazed. With her clever business ideas, she revitalizes the local marketplace, while he stays by her side with sincere companionship and protects their everyday happiness. Even the emperor starts pushing a shopping cart and seriously studying how to upgrade his membership. From a little shop to a thriving city, Jiang He joins hands with everyone to grow grain, establish workshops, and open trade routes. Together, they build increasingly prosperous lives and find a sweet love along the way.