The deposed concubine Shen Zhaoning was imprisoned in the cold palace for three years. She did not say a word or argue, but secretly weaved a poisonous web that destroyed powerful officials. Emperor Xiao Jingyuan visited her every night, thinking that she was unaware, but he didn't know that she had rewritten the military newspaper with the help of imperial physician Su Yanqiu, and spied on the court through the eyes of imperial concubine Liu Rumei. When the Bronze Key appeared, the mutiny in the north, and the secret edict surfaced, he finally discovered that he was not in love with the deposed queen, but the one who pushed him to the throne with his own hands and wanted to burn him in flames - the most ruthless chess player in the world.