Occasional Wife

Peter and Greta set up housekeeping and purchase a wedding ring. They hold a wedding reception at Peter's apartment and just before Mr. Brahms and the guests arrive his girlfriend Marilyn appears. Peter whisks her upstairs to Greta's apartment via the fire escape. The man-in-the-middle is watching a romance movie on TV but eventually shuts it off in favor of the fire escape action. Peter and Greta successfully pull off the reception despite a few small slip-ups and a drunken Marilyn showing up, who they pass off as Peter's sister. Greta leaves to go on a date but Peter's mother calls, she's just heard he was married and wants to meet Greta which sends Peter up the fire escape calling for Greta.