The Bella babymoon in Flagstaff comes to an end. Brie and Nicole disagree with their mom on who should be invited to their baby shower. Nicole's sexual frustration causes her to act out in surprising ways, including shocking Artem with her pregnant backyard skinny-dipping.

The Bella family is shocked to learn that Kathy must undergo a risky, emergency brain surgery. With their due dates fast approaching, Brie and Nicole announce some surprising plans for the future. The Bella pregnancy journey nears the finish line as one of the twins goes into labor.