This is a story of "an adopted daughter's father marries her". He rescued her from a natural disaster and raised her. She went from ignorance to deep love. They stayed with each other for ten years. Faced with his vague appearance, she panicked about her own aging. He said that people who cultivate immortality have a pure heart and few desires. She said, the day I met you, I was destined to live in this world for the rest of my life.