The co-production film Good Rainy Season (also known as Good Rainy Season) between China and South Korea is a film jointly shot by famous actors Gao Yuanyuan, Zheng Yucheng and Anya. In the spring of Chengdu in 2009, the petals of Du Fu's Caotang were like rain, deep and quiet. Mei, the tour guide, met Dong He, a classmate studying in America. The two men looked surprised and miserable. Let's meet again. The high-definition stills of the teahouse and snack bar in Chengdu in the "rainy season" let them catch up with the past. Strangely, the shy Dong and the cheerful Mei were once his girlfriends. Mei denied this and let Donghe prove it himself. Donghe urgently asked his college classmates studying in the United States for their college photos and contacted them to testify for him-but he couldn't get the current witness by mistake. May, why is this? Did she forget the good past, or did she deliberately avoid something? Donghe reminded her that all the past details of being together were revised before May. Donghe taught Mei to ride a bike and bought her one, but Mei thought she had a bike phobia, but she didn't quite understand why Donghe gave her a meaningless gift, so she sold it herself-their college days in memory seemed to be two versions of the story. Donghe is leaving, and finally he dances with Mei in the rain. Her attitude prevents him from expressing his enthusiasm and frankness: in fact, he has been thinking about her and deeply loves her. When she left, Mei came to meet Dong and go to the airport. A sudden car accident delayed Donghe's trip and took them to the hospital. Also let Donghe uncover the mystery of Mei's "amnesia" ...