TRACES, Season 1 NEW (NR) A body buried in Dundee 18 years ago, a daughter left behind, a murder unsolved.  Emma Hedges (Molly Windsor) needs to find out what happened to her mum. With help from colleagues at the Scottish Institute of Forensic Science and Anatomy, she follows the trail of evidence. It leads her to a new love, old friends, and plunges her into a police investigation, a world of danger and deceit. Will Emma have the nerve to follow the evidence no matter where it takes her?