The team reopen the case of zookeeper Zac Halsey, originally thought to have been mauled to death by a tiger, when blood evidence discovered in his lodgings suggests he was killed before he was found in the tiger's enclosure.
The murder of Mrs Thornton makes Eric the prime suspect for both deaths, but conflicts with a parallel investigation into the landscape gardening business where Eric works threaten to undermine both cases.
The perfectly-preserved body of a two-year-old girl is found in a sealed oil drum in the basement of the derelict Elliston psychiatric hospital. Commander Blake assumes the role of senior investigating officer from DI Doug James, creating early conflict within the team as they set about investigating former patients and staff. As the team closes in on two particular suspects, there is a clash with the drugs squad, who are running a parallel investigation into one of them.moreless
DI Kate Ashurst and DS Emma Scribbins investigate the stabbing of respectable charity shop worker Lyn Chichester soon after hosting a dinner party with her husband Nick. They discover the pair were involved in wife-swapping (including lesbian love) – and Lyn was the star attraction among the swingers.moreless
Foyle investigates theft, and a possible murder, at a countryside "funk hole" - a guest house where those who can pay can sit out the war in relative comfort. But his job is made much harder when he is accused of spreading mailicious rumours and suspended from duty. While Foyle attempts to clear his name, his replacement sends Sam back to the transport corps.moreless
Denton's last remaining quarry is vandalised. Frost finds a baby in his office and is delighed to discover it belongs to DS Hazel Wallace. He gets Hazel to look into some burglaries that have been occurring just after removal jobs have been completed. At the quarry a second body is found. The only witness to the murder is an autistic boy, who immediately becomes prime suspect. Frost finds out about some dodgy dealings in the past between the quarry owner and his former partner. The boy escapes through a window and the officers on duty get a severe telling off. A woman comes in saying her seven-year-old son has been abducted by her husband. The quarry owner then turns up dead in a brook a small way from the quarry. The autistic boy is found but he has rigged Denton Quarry with explosives and is threatening to blow the quarry and himself up. Frost manages to get the boy down but the explosives in the boy's bag still explode. Frost then goes and arrests the quarry owner's partner for the double murder and finds the other boy safe and sound in a removals depot. He arrests the missing boy's father for robbery.moreless
Hazel Wallace returns from her training, as the new Detective Sergeant, and is put to work by Supt Mullett sorting out the mess left behind by DI Frost, while he is on extended compassionate leave. Before long she is called upon, when a man is found hanged in his home, and she suspects it was not suicide. Routine investigations show that a fresh set of fingerprints at the scene belong to an unidentified man who had been found drowned a year previously. Frost is summoned back by Supt Mullett to sort things out, and he connects a painting that appears to have been stolen from the hanged man with an art robbery & murder some years before.moreless
Frost's Saturday afternoon is disrupted by the discovery of a man's body floating in the river, and it turns out that he is not who he claimed to be. Events become more intriguing when the star player of a local soccer team collapses during a press conference, following an incident on the pitch in which he received head injuries.moreless
An odd group of animal rights advocates attempting to sabotage a foxhunt includes a working-class teenager, who is murdered. Then another person associated with the anti-hunt protesters is murdered. His investigations take Frost to tea with a local squire, but Supt Mullett is apprehensive lest he upset the gentry.moreless
Ladislaw finds out about Casaubon's will, Lydgate and Rosie experience financial as well as marital problems, Fred Vincy finds a job, and Mr. Bulstrode is still struggling to keep his past a secret.moreless
Frost is invited to join fellow George Cross recipients in London. He is instructed to enlist the aid of WPC Hazel Wallace as a decoy to catch a serial rapist, but it exposes her to serious danger.moreless
Frost is assigned a new, West Indian detective constable, Clive Tanner; transferred in to help him investigate a string of commercial burglaries, which leads him to a black family on the local Eastdean estate, that he calls "the crime academy", while feeling guilt over the death of one of his informants. Will the arrest of the apparent culprit lead to accusations of police racism?moreless
Frost investigates the murder of a teenage girl, and the case of a woman who has been receiving threatening phone calls. Meanwhile, at the Denton police station, there are threats, deaths, arson and a staff shortage.moreless
Nursing his terminally-ill wife, Det Insp "Jack" Frost's life becomes more stressed when, during a missing-child investigation, he unearths evidence on a 30-year-old case involving a skeleton chained to a locked strongbox that turns out to be empty.moreless
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