An educational film about the perils associated with sexually transmitted diseases (STDs). The drama is interspersed with scenes of a medical adviser directly addressing the camera giving advice and information about STDs.

What was it like to go to school 100 years ago?

Teenagers Susan and David live with their widowed mother Sheila. They wake up one morning to find no sign of their mother, and organise a party for the evening. They have doubts and worries about what has happened to their mother, which build when she has still not returned the following morning.