In 2003 Zoe Jacobs disappeared from the picturesque town of Moorevale during her own 21st birthday party. She packed her things into a blue backpack and walked out, withdrawing all her cash and leaving behind a note.

The new evidence gives Nadja and Sam hope that Zoe is still alive. But as Cormack puts together a timeline of Zoe’s disappearance, the old theory that Zoe drove to Brisbane doesn’t add up – it appears she didn’t leave Moorvale that night.