During the period of the Republic of China, there was a widespread rumor of Feng Shui being buried in the Yin Mansion. The saying that wealth comes from the Yang Mansion and promotion comes from the Yin Mansion became popular. The position of Mr. Yin and Yang is highly sought after due to his ability to break through the Dragon Cave and Yin and Yang Mansion. Mysterious Rat MarriageThe custom involves the saying of death in a place where feng shui is unparalleled. Yang people live in Yin houses, and on the day they return, the night of the first seven days is filled with evil spirits. The two brothers who started their family by stealing feng shui, have been filial for three years, but behind their true and false filial piety lies a story about carpTaboos and strange talk about fish dens. The Yin person returns to the Yang house, searching for the long haired woman in red every night. All the clues are intertwined in three stories, with endless causality and cycles. What is the mystery behind it.