The novel describes the male protagonist Li Zhongcheng. Through an unexpected encounter with a girl from another world in a dream, he realizes the most true, pure and beautiful mandarin duck dream of a talented man and a beautiful woman that he has been looking for in his life, and expresses his epiphany and perception of family, friendship and love through the interweaving of reality and virtuality; and uses this to inspire him. Encourage and warn the world that while alive, one should strive to cherish the present, never forget the original intention, and have the courage to face the unknown. Only in this way can we truly achieve the return to nature and truly understand what is the true meaning of life, the meaning of existence, the embodiment of value and the continuation of the spirit.