She is a sword spirit who has been sleeping for thousands of years and is born with a cold face. He is an ordinary scholar without the power to tie a chicken. They seem to be people from two different worlds, but they are tied to each other because of the so-called traceability. His blood was the only inducement that could wake her up, and her smile was the only thing she had for him despite her cold face. How many souls come and go next to the Three Lives Stone, how many tears fly among the flowers on the other shore, but they are more than destined for the third life, and the threads of the third, and fourth lives. Can the entanglement make her no longer sleep, and he no longer clings to the illusion?