Trial & Retribution

Five-year-old Julie Harris goes missing after being seen playing at the local playground. Suspicion immediately falls on Julie's mother's new boyfriend, Peter James. But when her body is found inside a sewage pipe, evidence points towards local misfit Michael Dunn.

When items relating to the case are found in Dunn's flat, Walker has no doubt that Dunn is responsible. However, when it's revealed that a frantic young officer who found Julie's body planted evidence, Dunn's trial is thrown into jeopardy.

When Susan Harrow does not return home, her mother reports her missing to the police. Her body is later discovered on wasteland and an investigation is launched, once again headed by Walker. Following a second murder, the team realise that they have a serial killer on their hands.

Marilyn Spark's identification of Morton as her attacker is given credence when the severed breasts of the dead victims are discovered on Morton's premises and he is set for trial. He is defended by the formidable Corinna Maddox, known as 'Batwoman' for her tenacity, whilst the prosecutor is supercilious but wily Rupert Halliday, whose best line of attack is to work on Morton's cowed wife Cindy, who tolerated his young mistress being brought home and is doubtless providing a false alibi.

A fifteen year old girl goes missing and her blood-stained clothes are found. Det. Supt. Walker heads the investigation into her murder. Meanwhile, D.I. North is sent to see a persistent complainer, Warrington, who has been hounding the station. North begins to get stalked and Walker has a prime suspect for the murder. But then they find a connection between Warrington and Walker's prime suspect.

A fifteen year old girl goes missing and her blood-stained clothes are found. Det. Supt. Walker heads the investigation into her murder. Meanwhile, D.I. North is sent to see a persistent complainer, Warrington, who has been hounding the station. North begins to get stalked and Walker has a prime suspect for the murder. But then they find a connection between Warrington and Walker's prime suspect.

D.I. North re-investigates an eight-year-old murder case and finds that Det. Supt. Walker was in charge of the inquiry. She begins to suspect that he's covering something up and he is suspended from duty. He returns to his roots to find new evidence to prove his innocence, in order to save his career, relationship and reputation.

D.I. North re-investigates an eight-year-old murder case and finds that Det. Supt. Walker was in charge of the inquiry. She begins to suspect that he's covering something up and he is suspended from duty. He returns to his roots to find new evidence to prove his innocence, in order to save his career, relationship and reputation.

Walker is assigned to investigate the discovery of a 17-year-old skeleton, which he isn't too happy about - especially as he's working with D.I. North's ex-boyfriend. They soon discover more skeletons buried at the house.

Walker is assigned to investigate the discovery of a 17-year-old skeleton, which he isn't too happy about - especially as he's working with D.I. North's ex-boyfriend. They soon discover more skeletons buried at the house.

D.I. North investigates when a girl is snatched from a wood, but the confession of a local sex offender complicates matters. Detective Chief Superintendent Walker is little help, as he has worries of his own.

D.I. North investigates when a girl is snatched from a wood, but the confession of a local sex offender complicates matters. Detective Chief Superintendent Walker is little help, as he has worries of his own.

A severed female hand is found in the Thames, which brings D.C.I. Conner in contact with Walker (who is now back in uniform). No body is discovered, and the case soon becomes a battle of wits against the killer.

A severed female hand is found in the Thames, which brings D.C.I. Conner in contact with Walker (who is now back in uniform). No body is discovered, and the case soon becomes a battle of wits against the killer.

A young prostitute, Angela Dutton, plunges to her death from the eleventh floor balcony of a block of flats. The police begin a murder enquiry and discover that she was the daughter of a seventies TV star who was also found murdered twelve years earlier, wrapped in blue eiderdown. The killer was never found. D.C.S. Walker heads the investigation into the two murders, with the aid of D.C.I. Connor and the rest of the team. They investigate to find out why Angela Dutton died - did she find her mother's killer, or did one of her three high-paying clients kill her?

A young prostitute, Angela Dutton, plunges to her death from the eleventh floor balcony of a block of flats. The police begin a murder inquiry and discover that she was the daughter of a seventies TV star who was also found murdered twelve years earlier, wrapped in blue eiderdown. The killer was never found. D.C.S. Walker heads the investigation into the two murders, with the aid of D.C.I. Connor and the rest of the team. They investigate to find out why Angela Dutton died - did she find her mother's killer, or did one of her three high-paying clients kill her?

The apparently happy Harrogate family is torn apart when they return home to discover their daughter, Emily, dead. Connor and Satchell begin to sift through the case and discover that the family isn't as stable as it first appeared. Connor appeals to Walker for some backup, who is having problems of his own with his own son Richard. Secrets are soon discovered and fragile relationships are tested in the process of ensuring justice is done.

A young school girl is raped and murdered, but D.C.I. Connor still has no leads a month into the investigation. When Walker orders a review of unsolved cases, they turn up similar cases of raped and murdered teenage girls over the last ten years, and they find themselves searching for an apparent serial killer.

A suitcase is found abandoned at Heathrow Airport, and panic ensues, but it is soon discovered to be no terrorist threat. Inside is the naked body of Sofia Petrenko, a high-class prostitute, who has been strangled to death. The suitcase is traced to Vitali Malikov, a Ukrainian billionaire who admits to hiring Sofia's services, but he claims she was alive when she left him and that the case was a gift. D.C.S. Walker arrests Malikov on suspicion of murder, but later has to release him, and soon realises he has become a pawn in a much bigger game.

Another working girl, Maryna, is put on trial for assaulting Malikov. She claims self-defence but the trial is mishandled and walker is even more adamant then before that he will get the Ukrainian. Roisin, however, believes that his obsession with Malikov is blinding him to the identity of the real killer of Sonya and takes the investigation down a different route.

When well-known paediatric surgeon Jonathan Carlisle is found dead, DCI Connor uncovers conflicts stirred by a recent operation that resulted in a young girl's death. The team soon learn that the girl's father, Gary Webster, was the subject of a restraining order issued by Carlisle, and had been stalking him for months. But before he can be questioned, Webster absconds. After a tense game of cat and mouse, the police corner Webster at the zoo - but what will be the outcome of the stand-off?

An ambulance is forced off the road as it is carrying a famous patient in the back. The patient is then shot in the head.

Imogen's mother makes a plea for her daughter's safe return. Things happening between McGill and Connor threaten the investigation.

When a girl falls to her death from a ferris wheel, it is thought to be a tragic accident - until DS Satchell's aunt comes forward with suspicions of foul play.