As Prime magic users, Catalina Baylor and her sisters have extraordinary powers that their ruthless grandmother would love to control. Catalina can earn her family some protection working as deputy to the Warden of Texas, overseeing breaches of magic law in the state, but that has risks as well. When House Baylor is under attack and monsters haunt her every step, Catalina is forced to rely on handsome, dangerous Alessandro Sagredo, the Prime who crushed her heart.