Security guard Chen Hai took his daughter to buy breakfast, and was publicly mocked by shop owner Sun Qiaoyun over a cup of warm water. After the dispute, Chen Hai added Tang Ji Breakfast to the employee breakfast group for colleagues to choose from, causing Sun Qiaoyun's orders to plummet. She lowered card prices and secretly reduced fillings to win back business, and even edited videos to smear Chen Hai and his daughter. Her husband Luo Jianguo handed over the complete surveillance footage to restore the truth, Sun Qiaoyun's reputation was damaged, and the shop was eventually shut down.