Detective Chief Superintendent Jane Doe has a formidable list of cold cases on her desk. This latest one involves an unidentified person, murdered seventeen years earlier. It is not only a perplexing case, but also an exploratory challenge for all involved as the squad try not only to identify the victim, but sort out suspects who are involved in money laundering, drugs and family feuds. Jane's team are challenged to find solid forensic proof to use against the main suspect, so he doesn't get away with a cold-blooded murder.