Shu Ge, who has excellent qualifications, should have been admitted to college early, but because of love, he gave up his education, family, and future, and followed his gangster boyfriend to Beijing to "work hard." However, there has been no improvement in the past few years. At a birthday party, he was injured and fell into a coma because he stood up for someone. When he opened his eyes, he found that he was in the Song Dynasty! He was beaten inexplicably and cleverly, he was rescued inexplicably, and his life experience was inexplicable. What happened? She is a member of a martial arts cult, but she is a princess of the Liao Kingdom, shouldering an important mission. The knight who had long fallen in love with him was the official who was supposed to be his opponent. Friends, lovers, family, it's a completely different world! Her appearance has not changed, but earth-shaking changes have taken place around her. How will this 21st century woman, who is kind-hearted but full of scheming thoughts, face her? How will the story end...