After being publicly humiliated by her crush and bullied by the elite students of Kingston High, Katie Walker, a working-class girl raised by a janitor, discovers that she may be the long-lost heiress of the powerful Maddox family. As she faces off against the school's queen bee Sloane Sterling, three powerful brothers, and a corrupt principal, Katie fights to reclaim her identity, protect her adoptive mother, and find her place in a world of wealth, lies, and revenge.