When a historic murder case in St Andrews becomes the subject of a provocative true crime podcast, fearless detective Karen Pirie is tasked with heading up the cold case review.

With suspects under attack, Karen's cold case review becomes a live investigation. Is someone out for revenge for Rosie's death, or trying to ensure that the truth remains hidden?

Karen is forced to confront a version of the truth she never thought possible - with everything at stake, will she finally find Rosie's killer and achieve justice after 25 years?