Zhang Zuoyi died after being hit by a car while rescuing a cat on a rainy night. In the underworld, his death is ruled unjust, so he must undergo a review by the Department of Judgment. He meets An Youzhi, a Night Wanderer formed from the vengeful spirits of those who died unjustly throughout history. Together, they search for their lost pasts in the Nether Ruins.
Theme: The meaning of life
