The red lacquer door of Xuanwu Gate half-hides the secrets of the rise and fall of the Wu Dynasty, and also hides the completely different fates of the two princesses.
The eldest princess Ting was naughty since she was a child and was deeply loved by King Wu. Undercurrents in the court were surging, and the powerful ministers had their own evil intentions. However, they were suppressed by the queen's party since childhood. During a rebellion, the rebels entered from the Xuanwu Gate to kill the King of Wu and welcomed the second princess. However, she was forced to go into exile. A few years later, the princess led an army to kill the palace through the Xuanwu Gate in order to obtain the throne that should belong to her.
The second princess, Ya, has a gentle temperament and prefers poetry, calligraphy and painting. She originally wanted to live a stable life in the palace, but she was drawn into the center of the whirlpool of power. In order to promote her to the throne, the queen secretly planned to kill the king of Wu. However, the defection of the imperial forest army, the ambition of the prime minister, and the strength of the Shangzhu kingdom pushed her to desperate situations again and again. Will she become a puppet behind the half-closed Xuanwu Gate?
