A modern working woman travels back in time to ancient times and becomes the eldest daughter of the Minister of Rites. When her biological mother dies, her younger sister joins forces with the leader of the guard whom the heroine has had a crush on since childhood to bully the heroine and marry her to the demented only son of the Duke of Guo. Unexpectedly, the demented only son and hostile prince of the palace is also a modern person who accidentally fell from power and traveled through time. A series of reversals are staged. In the end, the heroine and the hero fall in love with each other and make contributions in ancient times.
