When a decomposed body is discovered deep in the woods, Ridley unearths a connection to a cold case. Ridley brings disgraced ex-copper Jean Dixon back to investigate. Jean's personal life with new boyfriend Ross soon becomes compromised.

Retired Detective Inspector Alex Ridley is called back to advise on a complex and compelling murder case by his replacement and former protege DI Carol Farman. Carol is keen to access Ridley’s unique insight into crime-solving which served them so well in the past, but the investigation takes a dark and unexpected twist.