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 not showing up and focus on Vanessa's pregnancy.
The Alldredges and Snowdens hope to finally meet their online potential sister wives face to face; tensions grow among Briney sister wives April and Auralee; Angela Briney wonders what she has gotten herself into.
The Snowdens worry about how their family will respond after meeting someone online; the Alldredges decide whether or not to move forward with Melina; and the Brineys adjust to their new wife with impending legal issues.
In the premiere of a series following three families in various phases of adding a new sister wife to their lives, the Brineys all move under one roof; the Snowdens begin their search; and the Alldredges seek their third.