The Davises and the Foleys each navigate their way through the many trials and tribulations of polygamy with the ultimate goal of bringing in a new sister wife; the Merrifields haven't seen Roberta in over a year and have decided to seek a third.

The Epps are dating, but not everyone is on the same page; the Merrifields bond with Lea, but red flags leave them questioning things; the Joneses have a potential sister wife; Nick Davis brings home a surprise.