Gu Changye, a tomb guardian, enters the imperial palace to exorcise ghosts after a string of bizarre murders—only to discover that resentment is leaking from one hundred soul-sealing terracotta warriors buried in the imperial mausoleum… and his own uncle is the mastermind behind it all. He meets Lin Qingxue, the reincarnation of a zither spirit, and their relationship evolves from wary testing to united front—with sparks flying along the way. Together with Zhao Tieshan, a cold-faced imperial guard, Changye uncovers the imperial concubine’s secret: her illegitimate royal daughter—and the heartbreaking truth behind it.