L.A.’s most exclusive Mommy Group led by parenting expert, Jill Spivack, welcomes 6 new moms looking for new and better ways to manage their hectic lives as women, wives, and most importantly, moms. Stefanie invites the moms over for a BBQ, and hopes that not just the kids are on their best behavior. And after Jen pours her soul to the group about her divorce and self-esteem, Beth pours salt on the wound by poking at Jen’s insecurities.

Meghan and her hubby Nick decide to finally put their relationship first by spending a night away from their children for their anniversary. Mommy Group gets tense when Jen attacks Beth for insulting her at Stefanie’s party. Meanwhile, Stefanie is faced with her son Ellington’s fear of dogs at Jen’s son River’s birthday party, but Jen is MIA in helping out her fellow mom.

Jen and Alisa accuse Beth of lying to the group, causing Stefanie and Leah to come to Beth’s defense. Group Therapist Jill pays Meghan a visit to help her with her with her daughter Hattie’s potty training. Leah hosts an etiquette party to teach the kids their manners, while the adults discuss Jen and Alisa’s "Mean Girl" behavior. And Jen on an online date, but gets more than she bargained for when he reveals that it’s his birthday.

Leah shocks the group by sharing that she and her husband Bill are having troubles. Meghan surprises Nick with the gift of moving back in their bedroom. Meanwhile, Beth downloads her cousin Billy on all the dirt at mommy group. And at Leah’s birthday party, Billy gives Leah a birthday present she will never forget.

High tension continues at Leah’s party and Jen shows no mercy towards Beth. Stefanie’s husband Ron forces her to face her fears of singing by recording a demo. Beth faces her own fears by finally telling her kids that she’s getting a divorce. And Stefanie attempts to heal the wounds of the group with a "girls’ night-in.

Mommy Group turns emotional when Leah and Jen break down about their tumultuous relationships with their mothers. Meghan invites a psychic over to prove to Nick that their fourth baby is written in the stars. Jen contemplates having a baby on her own. Jill pays a visit to Leah’s house to assess whether Leah’s fears of turning into her mother with her own daughter Jade are true.