Single teenage mom Farrah starts dating against her family's wishes while Maci begins planning her wedding to fiancé Ryan. Catelynn moves back home with her disapproving parents and Amber's anxiety about being a mom gets the best of her.

While teen mom Maci contemplates breaking up with her fiancé, Ryan, Farrah starts dating a new guy even though her family disapproves. Amber struggles to get her GED, and Catelynn feels distant from her daughter since the adoption.

Catelynn's family lashes out over her choice of adoption while Amber and her fiancé Gary come to blows over their relationship. Farrah learns that dating isn't easy for a teen mom, and newly-single mom Maci struggles to balance motherhood and school when her friends leave for college.

Catelynn copes with her decision to choose adoption during a weekend retreat with other birth moms, while Maci and Ryan reach out to a counselor for help with their troubled relationship; Newly-single mom Amber thinks about accepting help from her ex, and Farrah starts to wonder if she should stay home more with her baby.

Teenage mother Maci struggles with resenting her boyfriend, while Catelynn worries her boyfriend's father might go to jail. Single-mom Farrah shifts her focus to her daughter, and Amber faces her fears about putting her baby in daycare.

Amber wants to put an end to the fighting and move away from Gary, and Farrah can't stand living under her parents' roof anymore. Maci struggles to keep up in school when her son starts walking, and Catelynn and Tyler start to plan their future.

Catelynn and Tyler work on letting go of Carly, and Tyler works up the nerve to propose marriage to Catelynn. Maci and Ryan struggle with their relationship while celebrating Bentley's first birthday. Amber copes with the pressures of being a single mom while planning Leah's first birthday, and Farrah makes peace with her own mother.