A modern girl travels to ancient times overnight, accidentally staying by the side of a heavy minister who wields power over the court and the public. The strict mansion has restrictions everywhere, and she is unwilling to be trapped in a square inch of land, single-mindedly searching for a way out. Court disturbances continue, the accusation of a spy suddenly arrives, and conflicts erupt instantly. She cleverly uses modern wisdom to deal with various difficulties, and in successive confrontations and associations, the cold and aloof powerful minister gradually falls for her. When power struggles and affections intertwine, can she break through the shackles and reap her own perfection? This story is purely fictional.