Joe Warner is released from prison after 15 years for armed robbery. His wife Polly has deserted him – and now he's determined to enact brutal revenge.

When a teenage girl is found murdered on Hampstead Heath, businessman Herbert Morris is identified as the man seen talking to her shortly before her death. After an interrogation, Clay and Dexter clash over Morris's apparent guilt.

Dexter investigates a burglary at an elderly couple's home. Soon afterwards, a valuable piece of Chinese porcelain is reported missing – and a burglar is found dead at the mansion of a music industry mogul.

Kingdom and Angela have hit a crisis in their marriage. Needing space, she decides to visit Margate — only for Kingdom to be sent there on a murder case.

Kingdom is called to a suburban home, where Sidney Preece has been shot whist with his wife and two neighbours. Kingdom joins in a house-to-house search, and a front door is opened by an old girlfriend, who becomes an important witness.

A rich, middle-aged American woman spends an evening with a young escort. The following morning, she's found murdered and her jewellery stolen. During their investigation, Kingdom and Ward uncover an unexpected connection with the foreign office.

Kingdom investigates a major bank robbery, assisted by Regional Crime Squad, and in particular by CS Piggott, a rival from Training School. Piggott is known to be after Kingdom's job, and it seems he may achieve his aim.

A group of carolers are attacked by thugs; a shop window is broken; and a small boy seriously injured. Kingdom and Ward investigate – and in doing so uncover issues of morals and discipline within the division responsible for the area.

As Mrs Penton cashes a cheque, she sees three men putting on masks in the lobby. She notices one in particular, Eddie, donning a Dracula mask. But as she turns away, it's momentarily removed by another man. The bank is robbed, the men later caught and tried.

William Radkin is found dead by the sitting room window. Kingdom and Ward find that he was killed by a .22 bullet, fired from outside. Meanwhile, a known pickpocket is brought in and the contents of his pocket reveal a possible link with Radkin's death.

Two masked men burst into the home of wealthy jeweller Elliot Ryan and his wife Carlotta, and rob them. Kingdom and Ward suspect the job was set up by someone who knew Ryan's habits. And who is the photographer following Carlotta and her lover?

A woman is walking her dog when it's almost run over by a speeding car. Chasing the animal, she makes a horrific discovery.

When Ward and his mother fall victim to hoaxes, it's thought that the neighbours resent living near a policeman. But Kingdom and his team are preoccupied with investigating bomb scares – and the hoaxes may provide clues.

When Donald Macey was released prison two years ago, Ward helped get him a job. Now his wife Jenny suspects he's mixing with villains, and pleads with Ward to stop him from returning to a life of crime.

Violence flares up when a student protest meets a counter-demonstration. A young protestor is killed by a blow to the head. The nearest to the body is a mounted Officer Tyrell. DCS John Kingdom now faces a difficult case, where strong evidence accumulates against a brother policeman.

Borstal boy Roy Roper is found stabbed near his home. When Clay and Dexter arrive in the West Country to investigate, they find several suspects with strong motives for the attack, including the lad's parents.

A retired bank manager is murdered in a seemingly motiveless killing. Then, a second murder is committed, and Kingdom, together with his journalist brother-in-law Harry Carson, discovers a possible motive which might also pose a threat to Kingdom's life.

A postman is found murdered by his wife, his body surrounded by Nazi emblems and insignia; it looks like a murder committed by a fanatical ex-Nazi hunter. Kingdom persuades a reporter to splash the story. It has the required effect, and stirs up an ugly situation.

When a woman is found dead on a canal towpath, Kingdom finds himself investigating the third of a series of murders. All the victims are attractive middle-aged women and, despite Inspectors Ward's scepticism, Kingdom becomes obsessed with his theory the murderer is a young man. As the case continues, Ward becomes more and more convinced that Kingdom is on the wrong track.

A prison inmate dies from a knife wound; it appears to be a clear case. But Kingdom finds that conducting an investigation in a prison is far from easy. After all, those inside have nothing to lose.

Suspected arsonist Arthur Jones is being questioned about a series of fires in betting shops and gambling clubs. When the Cloud Seven Club is burnt down, a body is discovered and murder is possibly afoot.

Kingdom investigates what appears to be the perfect murder.

Kingdom investigates the murder of couturier Damon Greville, found at the wheel of his car. Details of Greville's finances soon lead to a possible motive.

A girl is found murdered on a rubbish dump, and Kingdom's investigation leads him into the world of drop-outs. As he builds a picture of the dead girl and searches for a motive, one question haunts: why was her body placed in that particular location?

On the night that Steve Thomas escapes from prison, a solicitor is found murdered in his office – and £11 is missing from the cash box. Kingdom and Ward investigate, but why should anyone commit murder for such a small sum?

Ward hopes to catch the brain behind a series of bank robberies through his contract with shady ex-insurance agent Charles Prentice. But when Ward arrives at Prentice's flat to finalise arrangements, he finds Kingdom, who is there to investigate a murder – and the Inspector's activities.

Ward has been demoted to uniformed sergeant in a division. But he soon has other things to occupy his mind, as a murder accusation uncovers a secret in a family's past that leads to violence, bloodshed and danger for Kingdom and Ward.

Kingdom and Ward investigate a murder in the box-office of a theatre club, the clientele predominantly Black. It looks racially motivated, but the police treat it as a case of robbery leading to murder.