Paris, July 1999. Private investigator Aimee Leduc is walking through Saint-Germain when she is accosted by Suzanne Lesage, a Brigade Criminelle agent on an elite counterterrorism squad. Suzanne has just returned from the former Yugoslavia, where she was hunting down dangerous war criminals. Back in Paris, Suzanne is convinced she's being stalked by a ghost - a Serbian warlord she thought she'd killed. She's suffering from PTSD, and her boss thinks she's imagining things.

A dying man drags his oxygen machine into the office of Eric Besson, a lawyer in Paris' 13th arrondissement. The old man, an accountant, is carrying a dilapidated notebook full of meticulous investment records. For decades, he has been helping a cadre of dirty cops launder stolen money. The notebook contains his full confession - he's waited 50 years to make it, and now it can't wait another day. 

August: The air over Provence shimmers in suffocating heat. Capitaine Roger Blanc and his colleague Marius Tonon are called to the Camargue. A black fighting bull has escaped from the pasture and has gored a cyclist. A bizarre accident, or so it initially seems. Until Blanc discovers evidence that someone left the gate open intentionally. The deceased is Albert Cohen, political magazine reporter, fashion intellectual from Paris, TV personality. He was in the Camargue to write a major article on Vincent van Gogh. Yet what has that got to do with the attack? 

Bruno Courreges is chief of police of the lovely town of St Denis in the Dordogne. His main wish is to keep the local people safe and his town free from crime. But crime has a way of finding its way to him. For 30 years, Bruno's boss, Chief of Detectives Jalipeau, known as J-J, has been obsessed with his first case. It was never solved and Bruno knows that this failure continues to haunt J-J. A young male body was found in the woods near St Denis and never identified. For all these years, -J has kept the skull as a reminder. He calls him 'Oscar'.

In his many years as a commissario, Guido Brunetti has seen all manner of crime and known intuitively how to navigate the various pathways in his native Venice to discover the person responsible. Now, in the 30th novel in Donna Leon's masterful series, he faces a heinous crime committed outside his jurisdiction. He is drawn in innocently enough: two young American women have been badly injured in a boating accident, joy riding in the Laguna with two young Italians.