12 episode. According to Tencent video query. In Good Sir, the scene of Lu Yuanyuan smashing a restaurant is episode 12. Plot introduction: Lu Yuan went to the restaurant to order food, but Lu Yuan directly denied a steak cooked by the restaurant and directly satirized that the chef should go to fried chicken, which was not steak. Lu Yuan went directly to the kitchen of the restaurant, grabbed the guy and started cooking steak. Professional and skillful techniques have opened the eyes of other chefs in the kitchen. After the chef tasted it, he was unconvinced and lost. He cursed Lu Yuan for smashing a venue. Introduction to Good Sir: Lu Yuan lives in the United States all the year round and is a chef in a Michelin three-star restaurant. Peng Hai, Lu Yuan's best friend, died in an accident. Lu Yuan returned to China with his friend's ashes, hoping that his friend could rest in peace on the land of the motherland. At the same time, he is going to send Peng Hai's daughter Peng Jiahe back to her mother.