Are our laws on incest essential and effective - or should they be changed - even abolished? At this moment the Criminal Law Revision Committee, at the request of the Home Office, are considering ' whether it is necessary or desirable to retain the offence of incest as at present defined.... In our society incest has been a taboo subject for longer than most of us can remember. But since the law is now under review, many people feel that the time has come to learn the facts and look again at the reasons for the taboo. On film, people who have been directly involved reveal how the present law has affected them: in the studio Michael Dean and Harold Williamson try to find out from psychiatrists, social workers, legal experts, and others responsible for dealing with incest cases just how far they feel our present law should be changed - if at all.