Mortician Chen Hui was begged by seven evil spirits in the middle of the night. The next day, the feng shui of the city reversed, the Yin veins poured in, and the Yang house became evil. Feng shui broker Bai Jiuling quietly appeared, claiming that he was the body of the spirit master from thousands of years ago, and that every demolished ancient temple and every filled well in the city was to lock up the dragon skeleton of a living sacrifice. The wandering boy Ah Qi can understand deathrattles, the mute mother's paper ashes contain the password to break the game, but Lu Xuanji's spell is rapidly collapsing. Chen Hui must find out the truth before his soul is completely swallowed by the Yin Bone - are those innocent souls begging him for help or for their lives?