Teenagers Savannah and Brandon prepare to welcome their first baby. Keshini and Tym had a virtual romance on social media before settling in Ireland, now they're about to become parents for the first time. For young parents Carrie and Fintan, meanwhile, the arrival of their new baby is bittersweet, as they recall their first child Ellie, who died shortly after birth.
Expectant mum Kayleigh is hoping she will break the family tradition of always having C-section deliveries, while Zosia is determined to have as little intervention as possible in the birth of her first baby. Samantha and Anto arrive at the Rotunda for radical laser treatment in an effort to save the lives of their unborn twins.