When Mark is not invited to a party with Willie he decides that he is not cool enough. He changes himself into a young James Dean and gets into trouble, both at school and at home. Sandy's car needs an oil change. Despite her misgivings, she lets Dave do it for her. Unfortunately, he is not a mechanic and the car ends up worse than what it was before. Mr and Mrs Poole are having a romantic weekend away, at a nudist colony.
—jem