Xu Zhongyuan, the founder of a technology platform, disguises himself as a bankrupt old man and returns to the night market to test his son, Xu Hang, who runs a stir-fry stall. Xu Hang stands firm in his integrity, refusing to abandon his father or use inferior ingredients. As a result, his wife, Lin Jiao, a fellow vendor named A Bao, and manager Zhao Kun join forces to seize the Xu Family Stir-Fry sign. Xu Zhongyuan secretly mobilizes resources and cold-chain support to help him. At a business investment event, the villains fabricate evidence to frame Xu Hang. Xu Zhongyuan reveals his true identity in front of everyone, exposing the old grudges and the entire conspiracy. The villains are brought to justice, Xu Hang earns the opportunity to operate a directly managed store, and father and son reconcile.