Maci decides to enroll Bentley in daycare while Amber prepares to go to rehab. Catelynn and Tyler celebrate Carly's second birthday, and Farrah has a change of heart about leaving daughter Sophia behind when she moves.
Catelynn and Tyler have an emotional visit with their daughter. Amber struggles during her first weeks of rehab. Farrah says farewell to her life in Iowa. A disagreement with Ryan disrupts Maci and Kyle's relationship.
Catelynn and Tyler attend their high school graduation. Maci considers joining Ryan on his family vacation. Farrah has to deal with her parents' overbearing concerns. In rehab, Amber expects a visit from Gary and Leah.
Gary and Leah visit Amber in rehab, and Farrah goes on a date with her neighbor. Maci tags along on Ryan's family vacation and Catelynn and Tyler question letting Butch move back into their home.
Amber and Gary work on their relationship issues. Maci struggles to choose classes. Visiting her parents, Farrah is annoyed with their concerns for Sophia. Catelynn and her grandmother attend a birth parent support group.
A visit from Farrah's mom and sister leads to a blowup, and Maci enrolls her son Bentley in preschool. Catelynn and Tyler face issues with Butch, while Amber debates leaving rehab early.
Maci and Ryan clash over Bentley attending preschool. Tyler pressures Catelynn to enroll in college. Farrah begins dating a new guy. After completing two months in rehab, Amber finally heads back home.
Maci and Kyle contemplate buying a house. Farrah introduces Sophia to her new boyfriend. Amber struggles to find a way to see her daughter. A fight between Catelynn and Tyler's parents throw their family future into question.
Farrah introduces her boyfriend to Debra. Catelynn supports her own mom as Tyler's dad goes to court. Bentley has a hard time adjusting to Maci's new house. Amber and Gary continue to struggle with sharing custody of Leah.
In a visit to Texas, Farrah challenges Daniel about their relationship. Maci and Ryan argue about Ryan's new girlfriend. Amber looks for a new home for her and Leah. Catelynn and Tyler struggle to make a decision about college.