What episode did Dabao introduce to Yaling in Ordinary Years?

The fourth1set. Ordinary Years 4 1 episode tells that in order to support his family, Li Dabao worked harder for his tour guide career. She happened to meet Zhang Yaling, an old colleague of the former factory, and learned that Zhang Yaling had divorced, so she planned to draw a line between her and Li Baoku. Ordinary Years was produced by Beijing Paige Huachuang Film and Television Media Co., Ltd. and Ruyi Xinxin Culture Development Co., Ltd.