The Dark Side of Tomorrow (1970) aka Just The Two of Us

While their husbands are away on a hunting trip, two bored housewives get together to commiserate. One thing leads to another, and they wind up in bed. For one of the women the incident was... See full summary »

Directors:

 Jack Deerson (as Jacque Beerson) , Barbara Peeters

Writers:

 Jack Deerson (screenplay) (as Jacque Deerson) ,Jack Deerson (story) (as Jacque Deerson) , 2 more credits »

Stars:

 Elizabeth Plumb, Alisa Courtney, John Aprea - via IMDB 

https://archive.org/details/JustTheTwoOfUs1970