He Yuzhu, the chef at the machinery factory, is known as "Silly Zhu". He looks stupid but is actually very wise. In the changing times, he warmed everyone in the courtyard with his good cooking skills and sincere heart. From a canteen chef to the founder of a catering group, he has always adhered to the belief that "food is the most important thing for the people". He used delicious food to connect the joys and sorrows in the courtyard, and wrote a memory of the era full of human touch.