Naomi sets boundaries with her daughter's father, Mia prepares to welcome her first child, Chloe is insecure about her postpartum weight, and Megan feels betrayed by her fiance.

Chloe and Jordan go on holiday to Spain, Naomi finds it hard to let go of Raphael, Megan’s mom finally confronts Dylan about his cheating, and Mia gets her first taste of motherhood.

Naomi has an awkward run in with Ines, Chloe gets heated with Jordan on her 18th birthday, Mia finally confronts Manley’s mom, and Megan and Dylan take on another mouth to feed.

Chloe embarks on a new venture with her baby, Dylan has a fit of jealous rage over Megan’s revealing birthday outfit, Naomi and Raphael give their relationship another go, and Mia’s jealousy for Manley’s ex escalates over a battle of Father’s Day.

Mia and Erin finally face off at a family dinner, Megan’s dream engagement party might turn out to be a nightmare, Naomi is shocked by an unexpected guest at her daughter’s birthday party, and Chloe questions the longevity of her relationship.

In the season finale of Teen Mum, while some are ready to take vows to never part, others make plans to split for good. Naomi, Megan, Mia, and Chloe each hit a turning point that may change their lives forever.