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 court Lea despite Roberta's disapproval.

The Merrifields encounter some red flags as they bond with Lea.

Brenda feels more like a third wheel than a sister wife.

The Davises take Danielle on a trip to see how she gels with the group.

Steve's daughter slams the Foleys for their plural lifestyle. Sidian meets Arielle for the first time. The Merrifields focus on getting wife-to-be Roberta to the US. The Davises learn some news about Danielle's past relationships that gives them pause.

The Merrifields move into a new house as doubt looms about Roberta. The Epps are divided on sex and dating. Sidian worries if Arielle is the one to join their family. Danielle is taken aback when she learns what is required of her to join the Davises.

Brenda meets with April to help improve their communication.

Dannielle feels Garrick and Roberta should not try for a baby until she's in Colorado.

The Merrifields visit Brazil to figure out Roberta's delay in coming to the U.S..

The Merrifields worry that Roberta's mum may not approve of her coming to the US.

The Merrifields book Bert's ticket to the U.S.

The Merrifields have a problem when Roberta learns the truth about Garrick and Lea.

After their trip to Brazil to visit sister wife-to-be Roberta, the Merrifields eagerly prepare for her arrival. The Davises hope everything goes according to plan as they put together a commitment ceremony to celebrate their union with Danielle.