Ma Yan, a modern person, wakes up and finds that she is dressed as Princess Huanzhu, but due to the death of the emperor, she becomes the emperor of the Forbidden City. Her relationship with Yongqi, Erkang, Ertai Benjamin has also changed. When Ma Yan, a modern social animal, wakes up, she becomes the empress who has just ascended the throne in the world of "Huanzhu Princess"! When "Little Swallow" hides a 21st century soul under her skin, facing the questioning of the Manchu civil and military officials and the undercurrent of concubines in the harem, can she use modern political thinking to rewrite the fate of the feudal dynasty?