Following the suicide of colleague Lizzie Fraser,whom he believes was scapegoated by police for a wrong decision,Leo comes to work in an angry,bitter mood. DI Connie Jame ...

Nikki flies to Budapest and is called to a secret meeting with Leo to avoid Orban. Harry appears, having faked his death to pursue his enquiries. From another prostitute ...

Nikki links Cats to the Lockfords via her phone and,at her flat,sees photos of her with her boy-friend Danny,whose father identifies her corpse. The police catch a man sk ...

At Hillsdon Army base,a training camp for soldiers fighting in Afghanistan,young soldier Mark Blakefield is still recovering from the death in action of his friend Danny ...

Janet travels to Yorkshire with Leo where she identifies the murder of the fresh victim,Kelly Summers,as being a copycat of the Bentley killings,suggesting that Bentley h ...

Nikki's archaeologist friend Patrick is excited when a woman's body,apparently a thousand years old,is unearthed on a Yorkshire moor. However dental records show she is a ...

In her efforts to help Naomi, Nikki believes that Silverlake was self-medicating with an untried depression cure though his widow denies it and a representative of the pi ...

The day after Professor Silverlake, consultant neurologist at the Dartmouth London hospital, has railed at three patients for smoking and drinking on the premises, all th ...

Harry suspects that Scott Weston, the injured gunman, was shot by another person and it becomes obvious that two guns were used in the massacre. Scott's mother tells Dean ...

Carmody goes on the run and Danielle is killed. The same man's DNA is found in her flat as on Ruth's corpse. Leo's partner Janet persuades him that Neill is not dishonest ...

Ruth Gardiner falls to her death from a squat in a high-rise block and Leo - unlike D.I. Neill - realises that she was murdered though Neill seems reluctant to launch a p ...

With another aid worker now dead, the pathologists are trying to piece together just what Rachel was up to. Dr. Andrews tells them that Rachel had been trying to trace th ...

Stephen Harrington, a friend of Leo, is concerned that his daughter Rachel, an aid worker, has gone missing in Zambia. Leo and his colleagues fly to Africa where Rachel's ...

A severely mutilated corpse is found on a railway line, belonging to a known paedophile in his twenties, Francis Neil. Noel Hopkins is arrested, following revelations yea ...

The half-naked corpse of a twelve-year-old boy is found in his school grounds and Liam, the child in whose company he was last seen, has disappeared. Nikki is particularl ...

The team is called in after Mr. Stickley of the Police complaints Board feels that something is not right about an armed police raid on a house where several people were ...

Following a court appearance for drunk driving, Leo is required to perform unpaid work as a punishment, assisting AJ, a community worker on a run-down,largely black-occup ...

Harry Cunningham investigates when a car accident reveals two bodies inside one coffin. The coffin contained the body of 80-year-old Ethel Mortimer, who was supposed to b ...

The pathologists investigate when a military helicopter crashes into a refugee detention center. Harry and Nikki actually witnessed the crash and were first on the scene ...

The police learn some shocking information about the dead car dealer that points to a motive for murder. Another murder near the school, with the same weapon used for the ...

Nikki and Harry continue to investigate the death of Penny Harris. Harry is shocked to learn that she had apparently at some point in her life had a child but her husband ...

Harry is shocked when his former university girlfriend, Penny Harris, is brought in dead. She drove her car into a tree and the police initially suspect suicide but the a ...

The police step up their search for any others who may be suffering from hemorrhagic fever. They also find the site where a number of bodies were dismembered, presumably ...

Leo and Nikki find yet another victim who was apparently bound and buried alive. However, they continue to have difficulty finding a common link among all of the victims. ...

Harry investigates the death of a woman who drowned in a backyard pool. She was apparently struck on the side of the head and her husband claims that her expensive neckla ...

With the murder of the club manager, the pathologists also determine that the club owner shot his own girlfriend, likely by accident. They also identify an unlikely suspe ...

The team investigates deaths and injuries resulting from a drive by shooting outside a club. The forensics team determines that the bullets were home-made and it would ap ...

The investigation continues and one of the survivors remembers a vital piece of information. It becomes evident that the identification of body 21 may also lead to the ca ...

The police and Harry find that a group of doctors are in a syndicate that owns race horses. One is a kidney Specialist and another is a Plastic Surgeon with a gambling pr ...

Harry is called out to a death at a racecourse. A jockey was killed when his horse pulled up and fell, crushing him to death. ...

While Leo fights for his job, he and Harry investigate an apparent case of Munchausens by proxy and race against the clock to prevent a potentially fatal environmental di ...

As Sam struggles to find reconciliation with her estranged son, the investigation takes a darker turn as she has to face up to the possibility that her father may have be ...