Shôwa no onna: Danchi ni sumu hitozumatachi

Original title: 昭和の女　団地に棲む人妻たち

On the way home after being embraced by a man in a grove, an elderly gentleman named Akio calls out to her, but Keiko, who doesn't want to miss the last train, turns him down. That night, Hideki and Keiko get into an argument over something trivial, and Keiko is slapped in the face...