Six hundred years ago, Yue Lao, who was sent to the mortal world for wrongdoing, experienced the love of his life with the "help" of Taishang Xingjun. However, his love affair could not endure the destiny and ended miserably. Yue Lao regretted that he only wanted to find his reincarnated love, and met the tree spirit a hundred years later. In order to repay Yuelao's kindness, Xiangsi decided to help Yuelao search together. After seeing love in the world with her own eyes, Xiangsi finally understood feelings, but found that she had already been deeply in love with Yue Lao since she spent time with him day and night. But at this moment, hidden deep in Yue Lao's heart, the person he longed for came to the world again...