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. The Davises end their staycation with some worries. Dannielle's family shares their concerns about Roberta coming to the US. Marcus Epps prepares for a date with a new potential sister wife.

Dannielle feels Garrick and Roberta should not try for a baby until she's in Colorado. Sidian courts Arielle as Tosha's mom questions the lifestyle. The Davises get serious about Danielle joining their family. Marcus pursues Janae, but she isn't sold yet.

The Merrifields visit Brazil to figure out Roberta's delay in coming to the US. The Davises expand their family unexpectedly. The Foleys strengthen their bond with April. Sidan contemplates the next steps with Arielle. Janae questions the Epps' lifestyle.

The Merrifields worry that Roberta's mom may not approve of her coming to the US. Marcus finds out if his wives convinced Janae or scared her away. The Davises' demands stun their realtor. Sidian must decide whether to propose or risk losing Arielle.

The Merrifields book Bert's ticket to the US. Marcus' wives fume when he fails to come home from his date with Janae. The Foleys' son meets April and is shocked to learn her age. The Davises propose to Danielle, but she may not be ready for the next step.

The Merrifields have a problem when Roberta learns the truth about Garrick and Lea. The Epps talk pros and cons of Bina and Janae. The Foleys discuss asking April to move in. The Jones kids meet Arielle. Danielle defends her devotion to the Davises.

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.