Once she was drafted into the palace, Shen Qingci, a fourth-grade official, kept a low profile to survive, but was unexpectedly granted an exceptional title and sent to the abandoned Changchun Pavilion adjacent to the cold palace. This notorious palace hides the secrets of the old witchcraft case during the reign of the late emperor. The mysterious shadows that appear every night, the inexplicable disappearance of past events, and the deliberately erased talent Shen Wanzhen entangle her in the endless mist of the palace.
There was an undercurrent in the harem, Concubine Zheng put pressure on her, and the concubines from all sides were eyeing her. Everyone wanted to make her an outcast in the chess game. In order to escape the fate of being at the mercy of others, Shen Qingci worked step by step, pretending to be submissive, making secret plans, and using his calmness to see through the deep palace conspiracy. She searched for relics, investigated old cases, and explored mysterious web organizations. In the treacherous Forbidden City, she dismantled layers of conspiracies, single-handedly reversed the situation, uncovered the bloody secrets of the palace that had been sealed for many years, and lived out her own way in a desperate situation.