In 2003 Zoe Jacobs disappeared during her 21st birthday party; many believe Zoe ran away but others suspect she was murdered; when police officer Sam Kahlil discovers Zoe's backpack, Detective James Cormack is called in to investigate.
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.
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, he discovers Zoe actually drove to Xanadu, the rural property where Joseph was living.
A discovery sends shockwaves through the community.
The field of suspects narrows; Sean's computer reveals a history of despicable behavior towards women, including the photos taken of Zoe without her consent.
Some wounds never heal and for Detective Cormack one investigation hits far too close to home when he tackles two separate missing persons cases; uncover a web of dark secrets in an all-new season of Black Snow.
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.
Rumors spread around Ashford, and suspicion lands on Joe, Isabel's father; as Cormack interviews the time capsule kids, more secrets emerge.
Cormack investigates the link between Ezekiel's missing cousins. "the lost boys," and Isabel's murder as a new person comes forward with evidence.
Turner concludes that Billy's death was an accident, but Cormack suspects foul play and believes it's linked to the missing workers and Isabel's murder.