Synopsis：On the night of the Lantern Festival, a bizarre bloodbath descends from the heavens. Di Renjie stakes his life on the case and ventures alone into a treacherous labyrinth. Thread by thread, he unravels the dense fog, following the clues in a harrowing pursuit. Exposing a string of linked atrocities and plumbing the depths of human obsession, he finally reveals a shocking conspiracy that has shaken the imperial court—a Khitan spy hidden in plain sight for two decades. It becomes a game of life and death, and when the truth emerges, heaven and earth stand silent in awe.