Leah's party continues with rising drama. Meanwhile, Jen shows no mercy toward Beth at mommy group; Stefanie faces her fear of singing; Beth confronts her own fears; and Stefanie presides over a girls' night to heal the group's wounds.
Leah shocks the group with information about her marriage. Meanwhile, Meghan offers a surprise to Nick; Beth gives her cousin the scoop about the mommy group; and Leah receives an unforgettable birthday gift.
Beth is accused of lying to the group, leading Stefanie and Leah to come to her defense. Meanwhile, therapist Jill helps Meghan with her daughter's potty-training woes; Leah hosts an etiquette party; and Jen goes on an online date.
Meghan and Nick decide to celebrate their anniversary by spending a night away from their children.
Jill Spivack organizes a parenting group as she welcomes six new mothers. Stefanie invites the other mothers to her home for a cookout.