One sentence introduction: A game of chess aimed at overturning the world, and everyone is a pawn.
A double-faced female spy vs. A childhood sweetheart from the homeland vs. An ambitious prince from an enemy country vs. The villain's mentor
[Childhood sweetheart] + [Betrayal] + [Revenge] + [Revenge against the world] + [Heroine] + [Plot]
Seven years ago, on the day of her wedding, the bride-to-be, Xia Chaoge, was given the title of Princess Zhaohe by an edict from the king of Xiliang, and she was married off to Beicang as a pledge of marriage.
Seven years later, Xiliang was defeated and once again sent a prince as a hostage, and this hostage was none other than King Yi Ning Xihe who had abandoned Xia Chaoge.