When Gia Montgomery's boyfriend, Bradley, dumps her in the parking lot of her high school prom, she decides to do the unthinkable…convince the cute guy waiting to pick up his sister to pretend to be her boyfriend for the night. The task is simple: two hours, zero commitment, a few white lies. The problem is that days after prom, she can't stop thinking about her fill-in boyfriend. But can Gia turn her fake boyfriend into a real one without exposing her lie and possibly destroying her friendships and her newfound relationship?