Kate has spent the last 18 years lying motionless in the bedroom of her parents’ house surrounded by objects from her youth. Miraculously, she awakens - but her mind and spirit are stuck in 1988. Her parents and friends are awestruck but Kate is bewildered by what has happened. She tracks down her boyfriend Pete, who has a new girlfriend and a new life. It is only by meeting him that the painful reality sinks in. Her mother and father throw a party for her to celebrate her birthday and Kate declares she is hell-bent on catching up on lost time. But she starts to have flashbacks to the birthday party 18 years before. Who was the teenager who died and why was Kate injured?