David Cooper works in advertising but spends more time on his love life despite the fact that he is married. When his wife Linda discovers his girlfriends, she decides to get revenge by having an affair.
A successful rock lyricist becomes romantically involved with a girl he picks up hitchhiking only to learn that she is only fourteen. Her parents take action against him.
Four mental patients - who, due to unauthorized experiments, believe they're living in a dream and have shed all moral imperatives - escape and find their way to the nearest bus-load of stranded schoolgirls.
Family picnics should not be like this; bugging devices, men with X-ray eyes. Mary doesn't understand what terrifies Simon, nor the bizarre events of the next six months.