April and Drew Briney celebrate a milestone anniversary while Angela and Auralee tend to the children; the Snowdens forge ahead with potential sister wife Joselyn; the Alldredges regroup after Melina doesn’t show up and focus on Vanessa’s pregnancy.

The Snowdens arrive in LA and hope their relationship with Vanessa will still work under one roof; the McGees nervously prep for Brandy's arrival; the Alldredges ask Jennifer to come for a visit; the Winders find a possible interest online.

Vanessa and her sister clash over her choice to join a polygamist lifestyle; the Alldredges prepare for Jennifer's visit until Jeff gets a strange text message.

A series following three families in various phases of adding a new sister wife to their lives.

The Alldredges are shocked by Jennifer's mysterious behavior while the Winders finally video chat with a potential sister wife. Paige questions if this lifestyle is what she really wants, and the Snowdens prepare for Dimitri and Vanessa to be intimate.

The Snowdens look toward the future after Dimitri and Vanessa become intimate, but Ashley surprises them with some news; Brandy reunites with the McGees; the Alldredges are shocked by the latest Jennifer news; the Winders discuss their future.

Ashley and Dimitri Snowden are just a few days away from marrying Vanessa, but when their three families with their three big personalities all get together, everything can go wrong.

The Snowdens have a new girlfriend; the Merrifields take drastic measures to bring their Brazilian bombshell fiancee into their family; after their first wife left, the Joneses are ready to seek again; the Clarks have turmoil in their plural kingdom.

Tosha makes a bold confession to her mom. Despite their family's concern, The Merrifields forge ahead with their plans for potential sister wife Roberta. Vanessa and Kaleh clash over their differences. The Snowdens' new girlfriend reveals a secret.

The Merrifields head to Mexico to reunite with fiancee Roberta. The plot thickens as the Snowdens reveal a new twist in their world. Rather than search online, the Joneses go out on the town. Life in the Winder home is looking very different these days...

The Snowdens welcome a new girlfriend! The Merrifields scout wedding venues with Roberta, leaving Dannielle to feel like a third wheel. The Clarks work on their relationship with explosive results. The Winders' family members question their lifestyle.

Roberta makes a shocking confession to Dannielle. The Joneses navigate dating during the pandemic. The Clarks try to make sense of everything that happened with Kaleh. The Snowdens continue to get to know Tayler and wonder if she might be the one.

Sister wife Roberta gives Garrick an ultimatum. The Snowdens make a big decision about their potential sister wife Tayler. The Joneses prefer to meet people in person but set up an online dating profile to try something new. Sophie Winder goes into labor.

Chrissy returns to LA just before the shutdown and meets Tayler for the first time. The Merrifields say a tearful goodbye to Bert. The Winders debate if they're ready for Kimberley to visit. The Clarks' relationship with Kaleh is tested during quarantine.

Tensions rise for the Snowdens as the new family of nine is forced to quarantine under one roof! The Joneses video chat with a new potential sister wife. The Winders prepare for Kimberley's visit. Jarod Clark finds unexpected chemistry with a friend.

Danielle questions Garrick as her insecurities with Roberta intensify. The Winders hope sparks will fly during potential sister wife Kimberley's visit. The Clarks get an unexpected bomb drop on their date with Emily. Sidian goes on a solo date!

The Merrifields receive some unexpected news from Roberta, while the Snowdens consider the future with Chrissy. The Winders deepen their bond with Kimberley. The Clarks meet a new potential sister wife. Sidian reveals details from his date with Alexandra.

Dimitri plans a special surprise for Chrissy. The Merrifields reunite with Bert in Mexico, but tensions flare as things get real. The Winders discuss courting Kimberley. The Clarks question their seeking journey. The Joneses have a rough night with Alex.

The Snowdens are set to marry Chrissy, but will her family in South Africa object to this polygamous union? Garrick shares some unexpected news as Danielle grapples with the reality of Roberta actively trying to get pregnant and move to the US.

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.