"I don't trust you." "That's funny coming from the one with his hand wrapped around my neck." After failing as a vampire hunter, 17-year-old Cleo is sent to an academy full of vampires as a false peace treaty. She is supposed to study and learn about vampire history while creating bonds with the vampires themselves to help build the bridge between them and humans. Her true objective is supposed to be finding the hidden heir to the dark world and to do so, she must get close to the current heir, Claude. But Claude has a plot of his own. To kill the peace treaty human and start a war.