Ex-detective Dave Grimstead, formerly with Locate International, embarks on a gripping journey through the UK as he reexamines cases of unidentified corpses. Utilizing advanced forensic techniques, Grimstead seeks to unravel the mysteries behind these lost lives, connecting clues from the past to provide closure for families and justice for the deceased. Each episode showcases not only the thrilling investigative process but also the emotional toll these unsolved cases take on victims' loved ones. With a blend of science and humanity, the show sheds light on the often-overlooked stories behind unidentified bodies.