Following the tumultuous events of Ghost City, Xie Lian, the thrice-ascended crown prince of Xianle, accepts a heavenly mission to investigate the mysterious occurrences at Mount Banyue and the mysterious past tied to the Ghost King, Hua Cheng. As hidden truths and long-buried grievances come to light, Xie Lian must navigate the treacherous politics of the heavenly realm while deepening his profound and enigmatic bond with Hua Cheng. The season delves deeper into the intricate lore of gods, ghosts, and mortals, testing loyalties and revealing heart-wrenching sacrifices from the past.