In a famous historical and cultural city in China in the 2020s, "Wuweixuan" is a long-established restaurant that has been in operation for 60 years and is facing demolition and business crisis. In the Zhenghe period of Huizong (about 1115) in Bianjing, the back kitchen of the restaurant "Fengle Tower" was in the prosperous period depicted in "Along the River During the Qingming Festival", with undercurrents surging.