In the troubled times of the Northern Zhou Dynasty, Dugu Jialuo learned that his father had been convicted on his wedding night. She and her husband Yang Jian went from being suspicious of each other to trusting each other and working together to build the country. But when the two of them controlled the world together and were unwilling to give in, the closest couple finally became political enemies who shared the same bed but had different dreams. And the heir she chooses for the empire will eventually become the biggest mistake of her life.