When her dying dad, a fertility pioneer, reveals that he impregnated patients with his own sperm, Julia hosts a meetup for her newfound siblings.

Julia attempts to put the shock of her father's IVF scandal behind her. Roxy attempts to return to Farmyard Frank without her manager and mother Diane by her side.

Overwhelmed by life’s continuous curveballs, Julia is tipped over the edge by the arrival of another possible sibling. Meanwhile, Edie continues to feel lost in her marriage and attracton to Amanda.

Julia embarks on a mission to find the first and last of the Bechly babies. Pressure builds for Edie to manage her workplace affair. Roxy searches for another way to take control of her career.

In the wake of a highly publicised television interview, Edie’s class action gathers momentum with a barrage of new clients. Julia embarks on an unusual journey to a correctional facility.

A DNA test confirms that prison inmate Abraham is indeed a Bechly baby. When Julia takes Roxy to meet him, she is shocked to find Edie already there, attempting to recruit him for the class action.

As their world crumbles around them, Julia, Edie and Roxy must make a choice of facing their tribulations alone, or coming together as sisters to pick up the pieces.