Complications then arise when Walter inexplicably fails to come back the next day to get Sue-Lin, leaving her with Mike. Sue-Lin feigns illness so that Diane will come to their apartment and examine her and see Mike again. When Diane discovers that Mike is not related to Sue-Lin, she wants to inform the welfare board so that Sue-Lin can be removed from Mike and Danny's apartment. A mysterious nightfall plane delivery is conducted for Mike and Danny's friend Vince, who is smuggling valuable furs. The film ends with Mike and Diane in love.