At a society dinner at her father's home in honour of Sue's safe return and of Mick's visit, Richard proposes marriage to Sue, and in a haze of confused emotions, she initially accepts in spite of Richard having recently revealed his self-centered and insensitive "true colours" during a period of intoxication. Mick, disheartened at Sue's engagement, decides to go "walkabout" around the United States, but Sue has a change of heart and, deciding not to marry Richard, follows Mick to a subway station. There, she cannot reach him through the crowd on the platform, but has members of the crowd relay her message to him, whereupon he climbs up to the rafters and walks to Sue on the heads and raised hands of the onlookers and kisses her.