Biden wanders into the plane after the prisoners from Russia got off apparently making up another imagination story about himself being a prisoner in Russia returning home.
Biden-Harris made up stories to be continued. Kamala says she "worked at McDonalds" and used it as some inspiring story: "I did the French fries and I did the ice cream."
Biden makes up stories about how he didn't want to be vice-president, then president, how he was involved in the civil rights movement, how he was arrested for being on the porch with a black family, etc.