Sarah and Kirsty call in the big guns: DNA. A strong match comes up: a woman who shares 28% of Sarah's DNA. Is it Nellie's first child? Eventually, Fran, the genealogist, suggests the match could be an aunt, and Sarah works up the courage to send a message to this mystery relative.

E3: I found him!

Kirsty Johnston follows Sarah as she hunts for her biological mother, who turns out to have been an institutionalised mental health patient in Porirua Hospital. And that's only the start of the story.

True crime

The last of the so-called ‘lunatic asylums’ closed only 20 years ago. They were founded on ideas of paternalism and social progress and survived on the basis they offered safety. In this special crossover with the Black Sheep podcast, William Ray and Kirsty Johnston look into their origins.

Black Sheep Bonus Episode: The story of New Zealand's Mental Institutions

Kirsty tries to find out if Nellie did have another baby, and where that baby might be, but gets stuck in a kafkaesque nightmare of bureaucracy. Sarah reflects on her journey to find Nellie. We talk to a disability expert about what Nellie's story really means, and if things are better now.

E8: I'd like to find a sister

Nellie's coronial file reveals more about her death - and her life. There are badly healed broken bones, a skin graft, evidence of a fall three days before she died in which she broke her nose. Was her death malicious? Or was it just neglect?

E7: What happened to Nellie?

Kirsty and Sarah go to see Mavis, Nellie's sister, who tells them that she thinks Nellie was raped, which led to her breakdown and incarcertation. Mavis tells Sarah about the day she was born, and how the family wanted to keep her but couldn't.

E6: Annemarie

Sarah goes to meet Gordon. We learn that he can remember Nellie, and remembers being caught with her in the bushes. Gordon tells us about his time at the asylum, and Sarah takes him on an outing where they spend time together.

E3: I found him!

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