Dalziel and Pascoe find themselves on the trail of "The Choker", a serial killer who strangles young girls and then phones the local newspaper with quotes from Shakespeare's Hamlet.
Having been spotted at a nearby funfair shortly before her death, Dalziel decides to pay a visit to the clairvoyant after she reveals to Brenda's mother the last moments of her daughter's life.
The trail leads the detective duo to a nearby gypsy camp, where Dalziel finds several of Brenda's missing personal effects, but his investigation is scuppered when he manages to beat seven bells out of a suspect.
Meanwhile, Wield's private life nearly hits the front pages when a friend of his ex-partner threatens to blow the whistle on his sexuality, if he doesn't help him find his father who disappeared many years ago.
It transpires that Mrs Swain was killed ten days prior to the shooting incident and buried underneath the police department's new car park, while the murdered woman was a drug addict known to Waterson.
As each and every one of the local's lives come under scrutiny, the discovery of Benny Lightfoot's corpse beneath the remains of a house flooded by a reservoir prove to be the final clue in identifying the killer.
It is initially suspected that he died of an overdose, but when the post mortem report reveals that the drugs contain traces of cyanide and high concentrations of nutmeg, Dalziel realises the boy had been poisoned.
Dalziel and Pascoe investigate the murder of a young Asian woman, who is shot dead shortly after a heated political debate on the future of a community project for local teenagers.
As the pair are forced to interrogate her tight knit community, they receive information from a witness who places one of the opposition's sons down by the river, disposing of a gun shortly after the incident.
Dalziel and Pascoe investigate the death of an undercover police officer, George Brierly, who was killed during the miners' strikes of 1984, when his remains are discovered at the bottom of a disused mineshaft.
Meanwhile, digging into the files, Pascoe discovers that Dalziel was right at the centre of the initial investigation, and somehow managed to escape all of the backlash by taking extended sick leave.
And when another grisly murder occurs, he realises that certain people claim to be somebody they aren't – and the truth begins to unravel in more than one horrific way for Pascoe, as his latest floozy turns out to the prime suspect.
However, the joy is short lived when an excavation to determine the tree's integrity yields the remains of a young girl who disappeared more than forty years ago from a children's home.
As Pascoe attempts to locate the whereabouts of another missing girl, Dalziel is tied up when he bumps into his sister in the nearby village, only to discover that she is dying of cancer – and that he has a brother.
Dalziel is determined to prove that his old foe is responsible, but with his deteriorating health, and being knocked down by a hit and run driver, Pascoe is forced to inform the ACC, who takes him off the case and sends him back on sick leave.
As a second witness connected with the case is also found dead, and an unsuspecting local is burgled after picking up a vital piece of evidence, Pascoe realises that the trail to leads to junior DC Dean Sheldon, who had been having a secret tryst with Fitzgerald's daughter, Christine, on the night of his death.
As two bodies are found relating to the first killing, Dalziel realises that an intimate web of a fraudulent agent, perverted manager and a diamond heist worth £2 million are the three key pieces in solving the case.
Meanwhile, category A prisoner Charlie Walker has managed to escape from police custody, and is determined to prove he wasn't responsible for the murder of his wife, Kate, which he was convicted of – although no body has ever been found.
As the pieces begin to fit together of the night of Sally's death, Dalziel uncovers a ring of dirty Yorkshire businessmen tied up in the dangerous world of dogfighting, and the seven-year-old frozen body of Kate turns up at the same crime scene.
[34] When body parts and medical waste are found in Wetherton lake, Dalziel and DC Lateef investigate the disappearance of missing nurse Leanne Proctor, last seen three days ago by her flat mates.
The case holds many memories for Dalziel, as Simon "Tiger" Harper, the lover of the zoo's owner, Guy Latimer, disappeared more than twenty-five years previously after being accused of murdering another local man at a dinner party.
As old grievances again rear their ugly head, the death of assistant vet Maria Chan also reveals a sinister business of illegal organ transplants taking place at night, using innocent Chinese immigrants as donors in return for papers which grant them access to stay in the United Kingdom.
While Dalziel sets his eyes firmly on the forensic pathologist investigating the case, Pascoe decides to do a little digging, and uncovers an entangled web involving a crooked councillor, bent surveyor and a highly dangerous team of workmen, who after a spat in the local pub, go crazy and decide to completely destroy the dig site, setting fire to archaeological equipment, attacking the volunteers and using a JCB to crush their vehicle into a pulp.
Photos of McLean's son-in-law Jason playing away with a prostitute soon prove to be the key element in the case, until the private detective who took them is found dead at the bottom of a stairwell, with his head caved in.
And events take an even more extraordinary turn when a large sum of money, which her husband Paul lost in a pension scam setup by the Albion bank is left on his doorstep by an unknown caller.
Linking the events to the time that Paul and Susan spent at holiday resort Arcadia, and its owner, Brian Fairmile, Dalziel decides to discover why both women withdrew £20,000 from their bank accounts shortly before their stay, and why the money appears to have vanished.
When popular jockey Sammy Hogarth dies from a high dose of warfarin, Dalziel and Pascoe are forced to investigate the dark side of horse racing.
Meanwhile, the night after a long ritualistic ceremony at a nearby castle, the remains of Jean's daughter Katherine are discovered, with the entire left side of her body missing.
A student of highly respected professor Fran Cunningham, the motive for his death appears to stem from his involvement with Science Saves, an activist group who campaigned for the continued use of animals in clinical scientific experiments.
In their final case, Dalziel and Pascoe are faced with the grief of two families whose sons were murdered by convicted child sex offender Michael Wheeler, only for him to be acquitted and walk free from court.