In the 21st century, an older leftover woman once traveled through time and became the son of the prime minister's palace. She wanted to get rid of her previous image of a second-generation official who had nothing to do, drank and had fun, and reestablished her image as a good son. Seeing how to use the man's body to step into the court, only to find that there are many conspiracies behind it. What seems to be a peaceful and prosperous age is actually full of crises, internal and external troubles. What is the shocking secret behind this?