Midwife Grace Creswell's world is turned upside down when the daughter she gave up for adoption 17 years ago arrives at her hospital, unannounced and pregnant.

Grace scrambles to cope when Sophia's adoptive father delivers an ultimatum, and Sophia makes surprise announcement about her baby. Trainee midwife Max shows his true colours during his first major birthing challenge.

Grace and Kirk struggle to deal with Sophia's adoption plans. Meanwhile, Grace sees a surprising new side to Max when they attend a chaotic home birth.

Grace's plan to help Sophia threatens to rip her family apart; Sasha and Laney face a shocking dilemma when they discover a young mother's secret.

Max goes beyond the call of duty to help a traumatised woman cope with childbirth; Grace reluctantly agrees to a Tinder double-date, with disastrous results.

The custody battle over Grace's granddaughter takes a surprising turn; Grace confronts past traumas when her ex-husband's new partner goes into emergency labour.

Grace and Max confront their own parenting issues while attending a larger-than-life Greek family homebirth; Sophia's 18th birthday celebration turns into a nightmare for Grace.

On the day of Eadie's adoption, Grace and Kirk struggle with the fact they may lose their daughter and granddaughter forever; a full moon creates havoc for the midwives at the birthing centre.