Yun Yi was originally the most favored princess in the dynasty, but when she was a child, she witnessed her parents being killed and suffered a mental breakdown and went crazy. Although she was cured of her madness later, she also lost that memory. Su An originally wanted Yun He to stay away from the struggle for imperial power and live peacefully as an ordinary citizen, but fate pushed Yun He into the struggle for imperial power again. , In Yun Erbo's complicated battle for the throne, Yun He was both a chess piece and a chess player, and then struggled in the whirlpool of family affection, love, power, and hatred. Yun He was finally pulled into the dark quagmire, gave birth to inner demons, split into several personalities, and single-handedly destroyed the entire dynasty...