Potential sister wife Mariam sends mixed messages to Garrick; Nathalia makes her feeling known; the Davies have a big decision to make after Jasmine's sleepover; Becky and Justine question their future with Yary.

The Merrifields invite a potential sister wife into their home for the weekend without telling Nathalia; the Davises put their bed to the test when Jasmine come over for a slumber party; Yary makes it clear to Justin she wants him for herself.

Nick Davis goes on a romantic first date with Jasmine. Potential sister wife Sara throws a curve ball at the Sherwoods. Becky Ryan and Yary have an awkward first meeting. The Salahuddins deal with the aftermath of their fight with Jameelah.

The Merrifields meet Nathalia's friends, and Dannielle reveals her true feelings to Nathalia; things reach a tipping point between the Salahuddins and Naeem's mother; The Davis sister wives meet with a potential sister wife.

Dannielle arrives in Brazil to attend Garrick and Nathalia's wedding; the Sherwoods ask potential sister wife Sara to be exclusive; April Davis has a tough conversation with her brother; The Salahuddins get advice from another polygamist couple.

The Ryans meet with a new potential sister wife. Shane Sherwood worries he'll lose Ashley to another woman. Nick Davis anxiously waits to see if his wives are ready to start dating. After a month apart, Dannielle calls Garrick with shocking news.

The Davises decide if they're ready to start dating again. The Salahuddins go on a date with a much younger woman. Devastated, the Ryans arrive home questioning their lifestyle. Garrick and Dannielle fight when Danielle grows wary of Nathalia's motives.

The Merrifields prepare to propose to Nathalia. The Salahuddins blindside Naeem's mother with unexpected news. The Sherwoods go on a group date with Sara. The Ryans make a heartbreaking realization about Stephanie.

Dannielle and Nathalia confront Garrick about his use of dating apps; April and Danielle Davis have an emotional heart-to-heart; The Salahuddins learn upsetting news about Keisha; after being stood up, the Ryans hit the road to surprise Stephanie.

Nathalia worries Dannielle is hesitant about adding a wife; Ashley Sherwood meets with a new potential sister-wife; The Ryans nervously prepare to go on a make it or break it date; Danielle Davis decides if the polygamist life is right for her.

The Merrifields' trip to Mexico takes an unexpected turn; Becky Ryan plays wingman for her husband, Justin, at the bar; the Sherwoods decide whether or not to move forward with Grace; the Davises have a high-stakes family meeting.

Tensions run high when Shane meets Grace for the first time; The Salahuddins navigate Naeem's disapproving mother; The Davises are rocked by an unexpected development; things don't go as planned when the Merrifields travel to Mexico to meet Nathalia.

Trying to move past their breakup with Roberta, the Merrifields dive back into dating. Nailah and Naeem reveal a big secret to Naeem's mother. The Davises navigate insecurities with their newest wife. The Sherwoods try an unusual approach to seeking.