No matter how many vicissitudes of life she has gone through, she will never forget the figure in white with long hair who played the flute for her under the crabapple tree; no matter if it is Tangluo or Jintang, or for several lifetimes, she will protect the young master who has the world in his heart; but no matter how many lifetimes take away his memory, under the crabapple tree, he will eventually find his old alliance and find his old people.