Heike Braun is 17 years old and from Germany. She comes to spend the summer holidays with her aunt and cousins who live on a farm in North Wales. She meets a young man, Peter Wetherby, who begins to show an interest in her. He lives in a big old house with his parents, two elderly hippies who love to party and to smoke marijuana. But is that the only drug they use? And what is Peter's big secret?
