Ren Xin was secretly assassinated after escaping from the prison. When she fled to the border of Anwu, she was seriously injured and fell into the water. She suffered a head injury and lost her memory. She was accidentally rescued by the King of Danyang and became his most effective secret guard. The King of Danyang named her Ren Ruyi based on her only tokens - the word "Ren" on half a waistband and a piece of Ruyi pei.
Five years later, there was a war between An and Wu. Li Tongguang, the Marquis of Anle in Anguo, captured Emperor Wu alive. Anguo ordered the prince or princess of the royal family of Wu to be the envoy to welcome the emperor, and only one hundred thousand taels of gold could be paid to welcome Emperor Wu back.
Princess Licheng Yang Ying volunteered, and the Wuguo faction was escorted by Liudaotang. In order to protect the safety of the princess, the King of Danyang sent Ren Ruyi as a personal guard. Yang Ying was deceived by Zheng Qingyun on the way to safety, but she did not want to go to An. During the elopement, Yang Ying repented and was killed by him...
