John and Janie unravel a mystery involving a murder at a school reunion, a cold case, and a shocking discovery from Janie’s past. John risks their friendship with unexpected news.

A murder-mystery party turns into a real investigation when a famous actor is found stabbed to death. John reconnects with an old flame while he and Janie investigate.

After a mysterious walker is found dead on a Welsh mountain trail, Janie ropes John into joining her mam Yvonne’s walking group to investigate the unidentified woman.

Janie and John disagree on how to investigate the untimely death of a best man. John goes against Janie’s wishes and befriends the bride to gain insight into the wedding party.

Whilst running a rehabilitation course for a group of rule-breaking police officers, Janie locks down CID when an attendee is found dead and brings John in to solve the case.

DS Janie Mallowan teams up with eccentric national treasure and beloved TV detective John Chapel, to solve a murder.

Following the death of a chef in an arson attack on his restaurant, John and Janie come to a small fishing village to scrutinise the locals.

A man is found dead while he is meant to be serving community service. After some time apart, Janie and John must come together and get creative in order to crack the case.