Codes hide traps, and copies contain past events. Song Yizhuo and Li Chensheng travel together through the secret realm of Chinese folk customs, while resolving the obsession of the spirit body while salvaging folk custom imprints that have been scattered for thousands of years.
Purpose: Using survival as a shell, salvaging Chinese folk customs that are on the verge of disappearing, using various old customs and spiritual obsessions in the copy, to see the joys and sorrows of ordinary people behind traditional etiquette; Song Yizhuo is deeply involved in the etiquette of ancient books, and Li Chensheng has seen through the trials and tribulations. The two go together to solve the dangerous dangers of the rules while guarding the folklore context that has been forgotten by time, completing self-salvation and two-way healing.