Sex drama of a 15 year old girl who answers an advertisement for a "playmate" to a young couple.

London, England. Mike, a fifteen-year-old boy, gets a job in a bathhouse, where he meets Susan, an attractive young woman who works there as an attendant.

Continuing the story of Helga, another dramatised documentary on sex education discussing such points as the mother-child relationship, abortion, contraception, the sex organs, coitus etc.