Season 2, Episode 3
We finally learn about what happened to Aileen and Derry in the bush and the secrets revealed to each other, as Diana and Richter grapple with the murder case now on their hands. Richter confesses his feelings to a traumatised Aileen.
The team discover both Aileen and Derry were lured to the hut by the same person, and strongly suspect that person could be the real Mountain Murderer, with Diana realising this could be her chance to uncover what happened to her own mother all those years ago.