When Gia Montgomery's boyfriend, Baekhyun, dumps her in the parking lot of her high school prom, she has to think fast. After all, she'd been telling her friends about him for months now. This was supposed to be the night she proved he existed. So when she sees a cute guy waiting to pick up his sister, she enlists his help. The task is simple: be her fill-in boyfriend--two hours, zero commitment, a few white lies. After that, she can win back the real Baekhyun. The problem is that day