The young man in green shirt was sitting under the attic, still wiping the long sword handed down to him by his master, but his mind had already escaped to the moonlit night when he met Luo Zisha: the girl in light gauze danced alone, her long sleeves flexibly drew beautiful arcs, and she didn't feel The silent boy's face appeared in his mind again and again; the black-eyed boy sat in the courtyard, took out the flute in his arms, and played a sweet tune, seeming to remember something; Qian Qiansu touched the bronze mirror with his hand, was the person in the mirror really him? Su Mu looked at the sinking moon outside the sky and thought to himself: If there is resentment and hatred, everything will follow the wind tonight...