The so-called way of heaven is nothing more than the cause and effect of changes in people's minds. Yu Cang never believed in the so-called destiny. She considered herself alone and wanted nothing. She wandered or stayed in the world like a clump of grass, and she never persisted in meaningless things like asking for meaning. But how can any life passing by in this world be a bystander? We first met Mo Xie in Ruyi Pavilion in a small wine shop in the south of the Yangtze River. He and Cang have never been far away from the cause and effect.