After Xu Nanyu died in a car accident, she was told that she had a chance to be reborn. It was her choice whether to use this opportunity, but the additional premise was that she had to experience this life again before making a choice. During this experience, Xu Nanyu discovered that there were unknown stories behind many things, and she finally made her own choice.
Concept: We are all characters in the story, and what we see with our eyes is not everything, or even the truth.