When a young woman dies in a busy park in broad daylight, McDonald and Dodds are called in to untangle the mysterious circumstances of her death. Who is she? How did she die surrounded by witnesses? And how is it possible that she is smiling? All roads seem to lead to Professor George Gillan (Alan Davies), a linguistic anthropologist who lives in a rambling mansion with his eccentric mother, Agnes (Sian Phillips), whose 100th birthday is days away. DS Dodds is sure that the house has something to do with the murder, but in uncovering Belvedere’s history, Dodds also unearths secrets in his own past.
The duo are sucked into the fast and furious world of Formula 1 after Bath's famous motorsport dynasty, the Addingtons, report that their up-and-coming driver has died during a sub-3.5-second pit stop. As an F1 fan herself, McDonald won't let patriarch and Team Coach Archie Addington run rings around her, but when a significant someone from her past gets dragged into the investigation, she's thrown off course. But it's one of Dodds' specialisms that leads them to uncover the darker side of success and finally unravel the truth.
When Ian Andrews is on the local bus, everything is as usual. But when the bus rolls into Bath station, Ian is dead. It will be a matter for Commissioner Lauren McDonald and Detective Sergeant Dodds. To solve the mystery of Ian's fate, the troubled couple must delve into the history of blues music and the shady world of art auctions.
A middle-aged woman is found dead in an apartment. The killer has removed everything that can identify the woman, but a DNA test reveals that she was reported missing 38 years ago. Where has she been in the intervening time? And who has wished her dead after all these years? McDonald and Dodds go in search of the answers.
It's wedding season in Bath, but a string of suspicious deaths is affecting celebrations across the city. Is there a serial killer on the loose who goes after weddings? In a series of cryptic calls to the local radio station, an anonymous person threatens that there is a plan for more murders. It's a case that pushes McDonald and Dodds to the limit.