After her daughter Lacey goes off to a prestigious university, Carol finds herself with an empty nest and decides to rent out her room. When Nikki, a local college student answers the ad, it feels like a perfect fit. What Carol doesn't know is that Nikki was her daughter's high school rival, and that she believes Carol cheated her out of a chance to attend a better school by pulling strings for Lacey. Now, Nikki has come to avenge the future she feels has been stolen from her.