1Episode 1
When Irish journalist Aileen Ryan goes missing, Irish Detective Theo Richter and Kiwi Detective Diana Huia are compelled to remain in Mt Affinity, New Zealand to lead the search.
2Episode 2
As Diana and Richter struggle to make sense of what could have happened to Aileen, and fearing the worst, they discover another Irish person is missing.
3Episode 3
The truth about how Aileen went missing is revealed. The detectives find the two missing Irish, but when one still ends up in the morgue, they now have a homicide on their hands.
4Episode 4
Evidence suggests the Mountain Murderer is back and responsible for the latest killing, leaving a trail of breadcrumbs for Diana and Richter, who close in on a very unlikely suspect.
5Episode 5
A convicted criminal linked to the case escapes from prison as Diana and Richter track down their latest suspect.
6Episode 6
With Mount Affinity locked down with lead suspect Frank Pastor on the loose, Diana and Richter must solve the case before the Mountain Murderer gets to their next victim.