Living in their elegant, fashionable house in Westminster, Fleur and Michael Mont mix with and entertain the glittering society characters of the day. As always, Soames Forsyte is constantly by the side of his daughter Fleur, spoiling and watching over her. But London after the war is a place of carefree, 'live for today' attitudes which are alarming and baffling to old Soames. And just when he thinks he's protecting his daughter, he finds himself triggering a major society scandal...