On the night when her sister sold her to Yin Ling to be his wife, Jiang Wanyue bit her fingertips and signed the judge's contract with her backhand, locking Xie Wujiu, the judge of the Yin Division, into her soul. From then on, she worked as a mute woman in a funeral parlor during the day, and as a writer in front of the judge's seat at night. The mother-in-law of the Yin Temple secretly set up a soul marriage array in the village, and her sister was pressing for her husband's fate, while the ghost child in her shadow was quietly devouring the truth that Xie Wujiu had forgotten for thousands of years. When the laws of the underworld began to break down, she no longer wanted to survive, but asked - who should pay for this cannibalistic underworld?