Gu Changning, the legitimate daughter of the Zhenguo General's Mansion, disguised herself as a man in her previous life and served on the battlefield. She did not hesitate to expose her daughter's body in order to save the prince Ye Chenyuan. In the end, she was plotted by the prince and her stepsister, and she died with thousands of arrows piercing her heart. Reborn at the age of fifteen, she held the memories of her past life and vowed to make all betrayers pay with their blood. However, she was entangled by the opponent she could not understand the most in her past life - the iron-blooded prince Ye Chenyuan, who asked her to "responsible" for the events of her past life.
