In the twelfth year of Yonghe's reign in the Great Zhou Dynasty, an imperial examination fraud case kicked off the dynasty's struggle for power. In order to investigate the unjust case of her brother, Shen Zhilan, a talented girl from a poor family, was forced to get involved in the battle for the prince's inheritance, and started a game full of calculations and true feelings with Pei Yan, the minister of punishment. When the chess game unfolds, the player who plays the chess eventually becomes the neutral piece of the game, and the two smart people gradually lose their original intention in this power game. From imperial examination cases to border rebellions, from harem secrets to party struggles in the former government, beneath the layers of conspiracies lies an old case that shocked the government and the opposition fifteen years ago. When the truth is revealed, how should they choose between loyalty and love, revenge and the world?
