Alex Norton

When the team investigate the apparently motiveless murder of a mechanic, suspicion soon falls on the victim's friend and business partner when his car is found abandoned at a notorious suicide spot by the river, but the search for a washed-up body draws a blank. A tip-off puts D.I. Ross on the trail of infamous gangsters the Callaghan brothers, and it leaves a mystery about the fake death.

The team investigate the suspicious death of an army recruit at a training camp. D.I. Robbie Ross goes undercover in an attempt to understand the mentality of the regime that teaches young men to kill or be killed - before other deaths occur.

Burke investigates a copycat killing inspired by a murder committed 20 years ago. With the help of celebrated pathologist Irene Russell, he attempts to solve the case before the killer claims more victims. As the case continues, it appears that the ultimate target may be someone at the heart of the investigation.

DCI Matt Burke takes a fishing break but he ends up fighting for his life when a gun- man shoots him in the head. Also, on the same day a fraud squad detective Archie Meades is shot dead and stashes of cash are found in the homes of both victims. It is up to the team to clear their boss's name from charges of accepting bribes connected to an illegal import deal.

A student is found dead in an alley, and evidence suggests that it was a drug deal that turned violent. They soon discover that the victim has links with a parish priest, who seems to have a lot more to hide than the sanctity of the confessional. The case soon becomes more complicated when a second murder occurs.

An unpopular restaurant critic is found murdered in his kitchen, and a petty thief linked to the crime scene becomes the prime suspect. But it soon turns out that he had a secret life - and that the killer has only just started.

An young trophy wife from the Clydeside sailing fraternity is murdered and the victim's husband falls under suspicion, but then two more bodies turn up it is clear they are searching for a different killer. Meanwhile, Burke is reunited with an old flame.

After the murder of a teenager, DS Reid joins a therapy group undercover to try and find the killer, but as more people are discovered, she realises the case is having an impact on her personal life as well as her professional one and her colleagues aren't making her life any easier. But can DS Reid manage to put all her troubles to one side and with the help of her colleagues, find the killer?

A doctor is attacked in his hospital by an assailant carrying a lethal syringe of drugs. Was the culprit a hated colleague or the wife who has been seen with a known hit-man? Robbie Ross will find out.

Top lawyer Richard Fleet is shot in the head in his car after a late business dinner with his partner Charlie Muir and client Simon Turner, the MD of building company Arcadia. Despite the gun being left at the scene there are few clues for the team to go on. Reid and Burke visit Fleet's widow, Adele, and are shocked to discover that not only are they faced with a less than sympathetic wife but that she is also having an affair with his business partner Muir. Neither have alibis for the time of the murder and fail to mention Fleet's £5m life insurance policy. Residents Betty McGoldrick and Martha Ramsay are protesting against the new phase of housing development. They believe that a pharmaceutical company once stood on the site and that chemical contamination has already caused a spate of illnesses, including Martha's son Ben who has leukemia. The women inform them that the case was thrown out of court and to Burke's surprise he discovers that Fleet and Muir represented the residents and not Arcadia – despite being on Arcadia's payroll. When Muir is shot on the Arcadia site and another identical gun is found near the body, Burke begins to suspect Turner. However, his suspicions are without cause when Turner is later found shot dead in the Fleet's home, again with a gun at his side. As the team start to unravel the mystery, an unnamed fourth man is discovered to have been at the restaurant on the night of the first murder. But can a paralysed Muir help them find the guns, the killer and the identity of the fourth man?

When Billy McCree is found dead in his workshop with his severed hand by his side, recently-released prisoner Jim Naysmith is the prime suspect for his murder - as the dead man's testimony had put Naysmith behind bars twenty years before. While Burke and Reid investigate another member of Naysmith's gang, Ross is flattered when law student Mary Cullen asks to shadow him, but Gemma becomes suspicious of Mary's motives.

A famous horror novelist is found murdered in an alley the morning after a prestigious book launch. While attempting to quell the ensuing media frenzy, Burke and the team start to piece together the author's last movements, but initally their only lead is a drugged and confused prostitute with a memory problem. Soon evidence emerges that disputes the author's image as an upstanding citizen.

DCI Burke and the team are called in to investigate the discovery of a mangled body in what appears to be an industrial accident at a Clyde shipyard. But when it is revealed that the victim was already dead before the accident, Burke finds himself dealing with a murder.