High school student Harper Price is preparing to be crowned prom queen... but unexpectedly finds herself wielding the mighty power of an ancient clan of paladins whose mission is to protect the oracles. Only here's the problem: the oracle who is destined to protect Harper turns out to be the bore David Stark, who endlessly teases her in the school newspaper. And although at first the paladin and the oracle constantly quarrel, it soon turns out that David hides under his barbs a secret love for the inaccessible beauty Harper... But she there is no time to think about feelings: mysterious enemies are preparing to strike them every minute...