A Sydney detective specialising in sexual assault who is visiting her remote New Zealand hometown of Laketop, agrees to investigate the pregnancy and disappearance of a local 12-year-old girl, Tui Mitcham. Her ability to empathise with Tui's circumstances is based on a horrific event during her own teenage years.
- Broken Bird: Robin is carrying a lot of damage from her past.
An old-school and well-liked detective sergeant, based in Queenstown, who also manages a café where young offenders are given a second chance.
A Scotsman and head of the Mitcham family. He is the informal leader of the town, feared by the townspeople, but with a complex inner life.
- Abusive Parents: He doesn't treat any of his children very well at all.
- Ax-Crazy: Matt is much less in-control than he appears to be; he's deeply unhinged and damaged, prone to bursts of violence.
- Badass Grandpa: He might be in his later years, but he's incredibly dangerous and doesn't shy away from getting his hands dirty.
Matt's estranged youngest son, and Robin's teenage sweetheart. He recently returned to Laketop after serving eight years in Bangkwang, a Thai prison, for drug possession.
An androgynous Swiss spiritual leader, arriving at Paradise with a group of troubled women, who hope GJ and Laketop will help them rediscover themselves.