Twins Anna and Lucy strive to live their lives identically. Patrix and Patrica revisit a not-so-secret, sisters-only plan. Baylee and Brooke's sleeping arrangement is straining Brooke's marriage.
Jessica is extremely unhappy when her sister starts dating a new guy. Brooke and Baylee struggle with Denver's ultimatum. Patrica gets cold feet. Anna and Lucy take a big step in their relationship with Ben.
Christina tries to mend her relationship with Jessica before she drops some big news. Ron puts his plan to get Patrix's mind off Orlando into action. Brittany and Briana struggle to separate from each other on solo dates with their husbands.
Jessica hits rock bottom with her sister, Christina. Anna and Lucy get some bad news. Ron finds Patrix a date. Brittany and Briana learn the gender of Briana's baby. While moving back in with her mom, Baylee is welcomed with an unexpected surprise.
Anna and Lucy decide to try to get pregnant the natural way. Brooke gets involved in Baylee's relationship. Patrix's sister helps her go on a date. Jessica tries her best to get along with Christina's partner.
Anna and Lucy take a trip to see their sister while Baylee decides to help Brooke with her birth. Brittany and Briana creatively consider their privacy. Christina and Jessica make a decision to mend their relationship.
Brooke goes into labor, and Baylee struggles with not being in the hospital room. Anna and Lucy get stood up. Patrica gives Patrix tough love. Brittany and Briana confront their biggest fear.
Patrix has a surprising announcement. Anna and Lucy learn Ben's true feelings. Briana and Brittany parent their quaternary twins. Christina and Jessica define their sisterhood, and Brooke and Baylee reach a crossroads.
