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.

John and Janie investigate a murder in an amateur dramatics group, prompting John to take a role in their next stage production.

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.

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