Leah struggles with her pending divorce, while Chelsea's been hanging out with Adam again. Jenelle is trying to stay clean on probation, and Kailyn realizes she wants to get back together with Jo.
Leah and Corey go to mediation over custody of the girls, while Chelsea and Adam take a big step forward. Jenelle fails a drug test, and Kailyn tries to connect with her estranged mother.
Leah and Corey finalize their divorce, and Chelsea's dad finds out that Adam is living with her. Jenelle goes against her lawyer's advice, while Kailyn finds a picture of Jo and his girlfriend online.
Leah visits the university to get into a nursing program,Chelsea is invited to Dierks Bentley concert to get her mind off Adam.Jenelle pays the price for her probation,Kailyn takes Jo to court to change their custody agreement.
Corey has second thoughts about the divorce causing Leah to question her new relationship, Chelsea visits a beauty school she wants to attend. Jenelle decides to move in with Josh, Kailyn plans to visit her family in Texas.
Leah tells Jeremy about her confusion with Corey, Chelsea tries to get back on track with school. Things fall apart with Jenelle because she moved in quickly with Josh. Kailyn goes to Texas and reconnects with her cousin & half sis.
Leah finds a bigger house to move into with Jeremy and Chelsea's dog goes missing. Jenelle breaks up with Josh, and Kailyn learns her mother Suzi visited Isaac behind her back.
Leah and Jeremy get serious, while Chelsea breaks down on Adam's birthday. Jenelle questions if Andrew is really Jace's while Kailyn's is asked out on a date.
Leah has some big news for Corey, while Chelsea gets ready for beauty school. Jenelle goes through with the paternity test while Kailyn and Jo get into a huge fight over his new girlfriend.
Dr. Drew hosts a look back at the hilarious highs and the difficult lows never before seen with Kailyn, Leah, Jenelle and Chelsea from last season on Teen Mom 2.