In this country today male homosexuals break the law, are liable to prosecution and punishment. Parliament is considering new legislation to legalise the behaviour, in certain circumstances, of these men. But even if the threat of blackmail, of violence, and of police prosecution is removed from their lives, will the rest of us accept their behaviour? Our society today is heterosexually geared. Homosexuals receive minority treatment - intolerance, suspicion, often disgust. But are they a threat to the rest of us? In the first of two programmes dealing with men and women homosexuals, Man Alive examines this question.