Shen Zhiwei, the concubine of the Prime Minister's Palace, was frail but smart since she was a child. She was used as a pawn by her aunt to marry Xiao Jinyan, the infamous King of Zhenbei. On her wedding night, she discovered that King Zhenbei's "ridiculousness" was false, and that he secretly planned to overthrow the court was true. She used her illness as a cover to help him sort out intelligence and divide the enemy camps. She also used the strategy of "conquering strength with softness" to protect the Shen family in the series of frame-ups among the royal family members, and also helped Xiao Jin to strictly control the emperor's side and stabilize the country. The two went from being allies who tested each other to becoming each other's only support. In the end, she became the queen, but she was not trapped in the harem, but as the "Emperor's Master", she watched thousands of miles of mountains and rivers side by side with him.