When the maple leaves turn red, I encounter a dream. Si Mang, a small town in Yongchun, a newly arrived young man with a suitcase, and the cunning Mr. Black Cat. You see, the eyelashes are covered with golden sand lightly sprinkled by the warm sunshine, but under the eyelashes there is sadness that cannot be concealed. When she was sixteen, what stood on the other side of her youth was hazy love or light friendship?