This drama takes the life of Dou Yifang (played by Ruby Lin) as the main line, telling the story of how she entered the palace from a common girl, and was selected by Empress Lu to monitor Liu Heng in the country because of her intelligence. However, she fell in love with Liu Heng while getting along with him, helping him hide his edge and accumulate strength. Later, Liu Heng ascended the throne as Emperor Wen of the Han Dynasty. Dou Yifang experienced harem battles and court turmoil, and grew from a queen to a queen and queen mother of the Han Dynasty. She balanced the forces of all parties with wisdom and forbearance, assisted three generations of monarchs, and wrote a female legend on the political stage in the early Western Han Dynasty.
