The Royal Academy of Nobles welcomes three mysterious transfer students - Murong Qing, Su Yumo and Fu Rongxue, who appear to be wealthy daughters, but are actually core members of the feared "Queen's Guard" in the underworld. They shoulder the secret mission of investigating the campus underworld, but here they meet their destined rivals and lovers - the three founders of the "Shadow" organization, which ranks second in the underworld rankings: the cold student council president Shang Gong Han, the romantic Ouyang Xu and the gentle Huo Chen. When the legendary queen of the underworld, King (Murong Qing), put away her edge and disguised herself as an ordinary student; when the founders of the shadow organization hid their identities and lived a campus life. A game about disguise and sincerity begins. From an encounter in the library to a confrontation at a dance, from cooperation in club activities to fighting side by side in times of crisis, the relationship between the six people is constantly changing amid suspicion and attraction. As the investigation deepened, they discovered that there was a huge conspiracy hidden behind the Royal Academy, involving the competing interests of multiple underworld forces. When danger comes, they have to put aside their prejudices and join forces to fight the real enemy. In this game of lies and truth, when will the secret of identity be revealed? When the Underworld Queen meets her Shadow Knight, who is the real hunter in this game?
