Yin Lu later realized that the first twenty years of his life were just a dream. The beautiful clothes and angry horses in the dream, and the sweetheart in the dream, could no longer belong to him. Zigui didn't come back. In the spring rain of apricot blossoms in the south of the Yangtze River, among the small bridges and flowing water, and in the sad sound of cuckoos, he really can never go back.