Qin Tianyin: Arnold, exchanging one life for another, exchanging the most beautiful youth for staying together, it is true that only someone as cruel and calm as you can do it. But why do you think I will wait for you?
Tang Nuo: With my heart, I believe in myself and the self who loves you deeply.
Tang Nuo: I want you to come to me, soar, swim, run, crawl, even if you have to crawl, you must crawl to my side. When you arrive, I will personally cleanse you, pamper you, take care of you, and make you an eternal promise just like before.
Qin Tianyin: As long as I have you at the end, mud and thorns, I have no regrets.
This is a story from life to life. Tianyin and Arnold have been reincarnated continuously and experienced various stories, including ancient martial arts, fantasy, famous families, and downfall. Taking the heroine's high school life as the main line, it shows the short stories of the two people's previous lives.