In the enclosed, insulated world of a London flat the only intrusion into which is a brief outburst of demonstrators' voices against the Home Secretary who lives nearby are worked out the permutations and combinations of Ann and her two lovers. Dave, her previous companion, a journalist, has been away and on returning finds that he has been replaced by Patrick, a conventional man of the office, amiable but dull. Though Ann rules the roost, she herself is weak enough to be unable to do without one of them; and in the end Dave is reinstalled and Patrick dismissed. But how long this will last is anybody's guess.-1 woman, 2 men