Just outside Australia's country music capital, a young man's body is found on the train tracks, surrounded by shattered Christmas presents and discarded wrapping paper. For decades, the mystery has haunted Tamworth.  After Unravel's first season Blood on the Tracks brought national attention to the case and won a Walkley award, a new inquest was launched. Now, Muruwari and Gomeroi journalist Allan Clarke returns to where it all began for Unravel, revisiting Tamworth and uncovering what's happened since, as the long-awaited final chapter of the story unfolds, and major new revelations are heard at the inquest. But before then, let's return to episode one. We trace Mark's movements on the night before his death, as he hit the town on a big night out with a bunch of friends, dancing, drinking and having fun. Mark's friends and girlfriend say they left him in the early hours. Just after, a nearby resident hears voices on the street, what sounds like an argument, and a car driving ...