Farrah calls the police on her own mother after they get in a big fight, while Amber faces a pregnancy scare that could prevent her from ever finishing high school. Maci takes her ex, Ryan, to court for child support, and Catelynn is upset to find out she has to move out of boyfriend Tyler's house and back in with her unpredictable family, an hour away from their high school.

Catelynn gets caught in a lie and faces losing her boyfriend Tyler, while Amber's boyfriend Gary tells her he might leave her for another girl. Farrah juggles college, a new job, and moving out of her parents' house to live on her own for the first time -- all with her daughter Sophia. Maci tries to move into a shared house with her college friends, but realizes that having a baby might get in the way.

Single mom Maci goes clubbing with her girlfriends for Valentine's Day and reconnects with an old flame, while a crying baby and unrealistic expectations ruin Amber & Gary's romantic dinner. Catelynn's fiancé Tyler struggles with guilt about the adoption when he tries to go out and have fun like a normal teenager, while Farrah reveals an emotional secret about her baby's dad.

Amber and Gary take a vacation and discover there's no such thing as spring break once you have a baby. Maci butts heads with Ryan over his new girlfriend, and realizes how hard it is to parent together after you break up. Farrah's mom is offered a plea bargain for their physical altercation, and they have an emotional encounter, while Catelynn finds out Tyler is still angry at her about a past lie.

Catelynn and Tyler find their high school romance back on the rocks when Catelynn reveals another lie, and it ruins a visit to their adoption agent. Gary dresses up as a bunny for Leah on Easter, but a big fight makes Amber question their engagement. Maci's new boyfriend meets her son Bentley for the first time, and Farrah falls victim to a scam.

Maci questions whether her boyfriend Kyle is ready to date a teen mom and be a real part of her son's life, while Farrah tries speed dating. Amber works toward her GED until she realizes that finishing high school with a baby is harder than she expected. Catelynn's step-dad Butch is court-ordered to rehab, leaving her alone with her mom who makes her feel guilty about the adoption.

An argument about the adoption ruins Catelynn's day shopping for prom dresses with her mom, but she and Tyler get a nice surprise at prom; Maci is heartbroken when Ryan announces he's taking her to court over custody of Bentley. Farrah goes to counseling with her mom, and Amber's fun birthday plans are ruined when Gary refuses to babysit.

Amber and Gary's wedding plans fall apart over an argument about how to raise Leah, while Farrah considers moving back into her mother's house. Catelynn and Tyler celebrate their daughter Carly's first birthday from afar by calling her to say hello, and Maci finally tells her parents she's moving two hours away with Bentley, and they aren't happy.

Farrah reaches out to Sophia's dad's family in an attempt to get Social Security benefits for Sophia. Maci tells Ryan she is moving to Nashville, while Catelynn and Tyler learn Butch has ended up back in jail. Gary asks Amber if he can stay at her place until he finds a place of his own.

Catelynn and Tyler find out they will not graduate from High School on time, while Maci tries to work out a visitation schedule with Ryan in spite of being angry about their last encounter. Farrah has an emotional reunion with Sophia's dad's sister for the first time since he died, and Amber lashes out at Gary when he calls her a bad mom and threatens to take Leah away.

Maci confronts Kyle when she realizes her new life in Nashville isn't what she expected, while Catelynn and Tyler learn they will get to go visit Carly for the first time in a year. Amber breaks it off with Gary for good and starts dating a new guy, and Farrah learns the results of Sophia's DNA test.

A year after the adoption, Catelynn and Tyler have an emotional reunion with their daughter Carly. Amber & Gary try to work out custody of Leah now that they are broken up and dating other people. Farrah's mom sets her up on a date with a new guy, and Maci & Ryan battle over parental rights once and for all.