Sonia Gray is on the hunt to uncover family mysteries. Luke suspects his great grandfather lied about his identity.

An unsolved mystery sees Anneka embarking on an emotional journey to find answers about the father she never knew. Finn wants to know how his great grandfather came into possession of war medals.

Marama has a big question mark surrounding her whakapapa, and uncovering the mystery sees her travelling across the globe.

Grant's family have many theories surrounding an ancestor's past before arriving in New Zealand. But which ones are true? Later, did Ruve's mother and have a secret twin?

Tracey wants to understand more about her great grandmother who left her children and husband. Then, Kathryn has discovered that her ancestor married a man with an unsavoury past.

Could a suitcase full of maps, and documents that spanned for the start of the war until the 1950's, help solve Kim's mother's mystery on why her own mother suddenly left?