Gary and Jenelle are back together and she tries to be more responsible. Kailyn has a violent outburst toward Javi, which threatens their relationship. Chelsea finds out about Adam's new girlfriend and Leah plans her wedding.

Leah and Jeremy have a courthouse wedding. Adam tries to make Chelsea jealous. Gary has a big surprise for Jenelle. Kailyn and Javi discuss the possibility of joining the military and getting married.

Gary and Jenelle get into an altercation which lands them both in jail. Leah moves into her new house. Chelsea talks to her lawyer about Adam's strange legal letter. Kailyn and Javi consider getting married in Las Vegas.