Sam shoots them and gets on plane. Plane blown up by the Nazis. Many film makers have very personal styles that they have developed and have become associated with them. Consider the results if one of these auteurs were to do a treatment of Everyone Goes To Rick's . Victor and Elsa is sent back to Germany.
Nobody gets on the plane.
Elsa dumps Rick for Victor and gets on the plane. Rick follows but cannot win Elsa back. In the meantime he runs into Yvonne, the Romanian girl he had saved from a night with Captain Renault. She's been dumped by her husband, and she and Rick get an apartment together in Brighton Beach. Within a week Yvonne dumps Rick for Captain Renault.