Cold and intimidating Shen Xiling is feared at school, while warm-hearted Su Xiaoxiao believes in helping others. When they're unexpectedly paired in a student support club, their opposing personalities clash, making teamwork difficult. But as they grow closer and the club gains new members, they begin to work as a team.
The story revolves around an Emperor who does not know martial arts and an Empress who is skilled in swords fighting. They dislike each other and do not get along. One day, they find out that their souls have switched. Left with no choice but to live with the other's identity, they slowly unravel their misunderstandings and learn to love and trust each other.
When Gu Dai, a soon-to-be graduate of Ningcheng University of Public Security, is first taken on an internship with the Criminal Investigation Police, he is involved in a series of kidnappings of writers in the name of "games" - eight suspense novelists are kidnapped overnight and disappear. When Gu Dai thinks he has deduced the mastermind behind the case, all the clues are thrown at him and he becomes the first suspect in the kidnapping case.