High school senior Sam Montgomery (Hilary Duff) lives at the beck and call of her self-obsessed step-mother Fiona and her sinfully wicked step-sisters. Sam finds her less-than-sparkling social life wonderfully complicated when she meets her prince charming. But when her anonymous cyber soul mate turns out to be her high school's popular quarterback Austin Ames (Chad Michael Murray), Sam makes a mad dash back to reality, fearing rejection if her secret is revealed.