When a local farmer is found dead, Ridley is called on by his ex-colleague and newly promoted DI Carol Farman to assist on a missing persons case that remains unsolved after 13 years.

When the body of a young woman is found buried in a shallow grave on a bleak Pennine moorland, Carol calls in Ridley to assist with the case, but the victim was not all she seemed.

After a chance encounter with jazz singer Eve Marbury, Ridley agrees to help find Eve’s brother, Luke, missing for forty years. Initial inquiries draw a blank, but Ridley finds a connection when a woman is found dead under suspicious circumstances.

Ridley and Carol are called out to investigate the death of a man after a fall from his balcony. During the investigation, Ridley makes a shocking discovery between the current murder case, and the arson attack which killed his family.

Ridley investigates a jewellery heist that turns into a murder case, working with an undercover source whose cover soon risks being compromised when she gets too close to a suspect.

When a decomposed body is discovered in the woods, Ridley investigates and brings disgraced ex-copper Jean Dixon back on the case. Jean’s personal life with new boyfriend Ross soon becomes compromised.