The fearless young Scottish investigator Karen Pirie returns for a new cold murder case as she reinvestigates the 1984 kidnapping of heiress Catriona Grant and her baby son. This time around, she's been promoted to Detective Inspector.
When a body is discovered in a quarry, DI Karen Pirie and her team are tasked with reopening the case of the infamous 1984 kidnapping of an heiress and her son.