Xin Rui was originally a Chinese teacher, but because of a lotus flower, she traveled to the Song Dynasty and began a magical time travel career. Several people who appeared one after another were similar to her friends in her previous life. Who is the incarnation of her friend? Although he didn't mean to do it, he had no choice but to accompany the tiger on the march; he promised to be by his side, but had to break his oath. Whose fault is it? You smile when you look at him, but burst into tears when you turn around. So where does your heart go? What kind of encounters will there be during the journey? Xin Rui wants to know if there will really be the most profound encounter in the world of mortals?