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.