In the early days of the Republic of China, Xiaohuadan, the head of Wuxian County, accidentally rescued a young man. That night, various visions suddenly appeared in front of her eyes, and a secret that had been hidden for many years was unveiled. The young man promised her to help her uncover the mystery of her life experience. At the same time, when her young partner returned, whether her old feelings still existed, and how she should choose.