Chelsea plans for Aubree's birthday, while her dad tries to keep Adam from coming. Jenelle is arrested for breaking and entering and sees kieffer is a bad influence. Kailyn signs a custody agreement, Leah and Corey get married.

Jenelle is back with Kieffer after bailing him out of jail. Leah feels isolated and decides to get a job. Chelsea struggles with whether to give Adam another chance. Kailyn and Jordan take Issac trick or treating.

Leah is devastated when she finds out Ali must be sedated for an MRI. Jenelle is living in her car with Kieffer. Chelsea gives Adam another chance but re-tears her ACL. Kailyn can't afford to live on her own.