Even as the wives bask in the glow of their first grandchild, tensions emerge. Meri found out that all the wives were at the birth, except her. Intense therapy sessions fail to resolve the hurt, so Christine confronts Meri with some brutal truths.
Janelle's house is all joy as Maddie has her baby shower, but Christine is devastated when Ysabel's X-rays show that her scoliosis is worsening and surgery is imminent. In desperation, they turn to unproven alternative treatments.
It's Mykelti's bridal shower, but Janelle is terrified of performing with the wives; Christine gets emotional as she cuts up her wedding dress to make cloth flowers for Mykelti's bouquet; and Maddie tells the family her big news.
Mykelti, her moms and her fiancé, Tony, go wedding dress shopping, and he's very opinionated. Then, the Sister Wives go see the B&B Meri wants to buy in Utah, but worry it will pull her away. Later, Madison shows up with big news, leaving Janelle in tears.
In the season premiere, Mykelti brings Tony's family home to meet her parents, but there's one small problem: they don't speak English. Then, Meri and Christine's mom, Annie, go to Utah for a potential business opportunity.