Cormack and Sam uncover what happened the night Zoe went missing. Cormack returns to Brisbane to throw himself into the search for Ritchie.

The field of suspects narrows. Sean's computer reveals a history of despicable behaviour towards women, including the photos taken of Zoe without her consent.

The discovery of Zoe's remains sends shockwaves through the community, particularly for those clinging to hope that Zoe was still alive.

Cormack invites Sam to examine the contents of Zoe’s backpack and probe her memory for clues. Re-examining CCTV footage from the night she disappeared, Cormack discovers Zoe actually drove to Xanadu, the rural property where Joseph was living.

When a time capsule is opened and a secret is unearthed, Detective James Cormack is put on the trail of a murderer from a 1994 case that was never solved.

After the discovery of Isabel's hair, those involved with the time capsule project in 1994 are at the forefront of Cormack's investigation.

Cormack investigates the link between Ezekiel's missing cousins "the lost boys," and Isabel's murder as a new person comes forward with evidence.

In 2003 Zoe Jacobs disappeared during her 21st birthday party. Many believe that Zoe ran away but others suspect she was murdered. When police officer Sam Kahlil discovers Zoe’s blue backpack, Detective James Cormack is called in to investigate.