in the nightmare/flashback to 1975, kim remembers the viet cong approaching saigon. as the city becomes increasingly chaotic, chris is called to the embassy and leaves his gun with kim, telling her to pack. when chris enters the embassy, the gates close, as orders arrive from washington for an immediate evacuation of the remaining americans. the ambassador orders that no more vietnamese be allowed into the embassy. kim reaches the gates of the embassy, one of a mob of terrified vietnamese trying to enter. chris calls to kim and is about to go into the crowd to look for her. john is eventually forced to punch chris in the face to stop him from leaving. chris is put into the last helicopter leaving saigon as kim watches from outside, still pledging her love to him ("the fall of saigon").