Shen Qingci, the legitimate daughter of the Duke of Guo, was forced to enter the palace for her younger sister and became an abandoned concubine in the cold palace. He originally wanted to pretend to be stupid and survive for the rest of his life, but unexpectedly discovered that this seemingly dead palace contained the late emperor's secret treasure and a shocking conspiracy. When those coldest imperial eyes were dyed with lust, she took every step to turn the abandoned palace into a chessboard, using jade as bait to stir up the turmoil between the government and the public.