With the palace examination imminent, rumors spread through the Yingtian Academy about scholars being summoned by Yama, the King of the Underworld. Prompted by a peculiar letter from his respected mentor, the academy's dean, Bao Zheng, sets out with Zhan Zhao to uncover the truth behind these unsettling events. However, the academy is far from ordinary. The dean is missing, and scholars are dying one after another. An eerie atmosphere envelops the entire institution. Determined to find his mentor and halt Yama's killing spree, Bao Zheng resolves to investigate the matter thoroughly. Confronted by an imposing supervisor and unexpectedly encountering the dean's daughter, a childhood friend, Bao Zheng ventures alone into the chilling and sinister realm of the Ten Palaces of Yama. As these seemingly disparate elements gradually intertwine with the approach of the truth, Bao Zheng realizes that this is not merely a series of serial murders. Hidden within the court's power struggles lies a grander conspiracy, one he never anticipated......