She is a princess of the Tianchu Kingdom who has never had a mother since she was a child. For the first time in 16 years, she saw that her father was about to marry the cruel and violent heir apparent of the Yi Kingdom. She became a victim of marriage! Coming to the strange country of Yi, the prince was like a stranger to him. After a wayward escape, she was severely punished by him. So, she began to pretend to be obedient to him but secretly practiced martial arts in an attempt to escape. What I didn't expect was that he would risk his life for her. When two different hearts came close, why did he shoot her to death with an arrow? Three years later, when he survived the catastrophe and went to seek revenge, why did she become his favorite person? And what makes him and her who love each other so deeply unable to be together?