Lin Mo, a student at Jiang University, discovers that Bai Cuijuan, a popular street food vendor, engages in questionable practices and misleads students through marketing tactics that deliberately exploit their sympathy. Lin Mo chooses to support Xu Li, a vendor who operates legitimately behind the university's back gate, and actively helps her promote her business and attract more customers. Jealous of Xu Li's success, Bai Cuijuan repeatedly interferes with her competitor's business. However, Xu Li's commitment to honest business practices earns her a steady customer base, eventually allowing her to successfully open a brick-and-mortar store and proving that honesty is the key to long-term success.