The iron-blooded emperor who had ruled the country for twenty years, and his wife, who was used, neglected and even sentenced to death by him, both traveled to modern times. She is a law student who is about to graduate, and he is a ruthless transfer student from the University of Finance and Economics next door. The subjects who once knelt at his feet became people playing with mobile phones, and the unspoken words "I was wrong" became a thorn in his heart for twenty years.