Jack is 18 years old and enjoying his summer break. While his parents are away for the week, he has little else to do except relax by the pool and keep an eye on the bane of his existence, the ever-misbehaving Eve. It's a recipe for disaster unless Eve's best friend, the enticing and luscious Cassie, meddles in their unfinished business and coaxes them toward reconciliation. But she'll need to act fast. As their days of living under the same roof draw to a close, time is running out for Jack and