Thelma Harper and her spinster sister Fran open their home to Thelma's recently divorced son Vinton and his teenage son and daughter. It's quite an adjustment for everyone, especially the cranky, argumentative Thelma.
When Naomi is upset about her baby being late, Mama tries to calm her down with a false story about Carl. Mama tells Iola what really happened (both the false and true versions are seen in flashback, with Carl played by Ken Berry). Later that day, Naomi goes into labor and Mama ends up delivering her baby girl, Tiffany Thelma Harper.
