Law & Order: UK

After Suzanne Morton is brought into A&E with flu-like symptoms and leaves in a body bag, detectives Brooks and Devlin treat her death as suspicious as they investigate a hospital department that has had three such untimely deaths within six months.

When two-year-old Ryan Stark goes missing from a merry-go-round, his distraught mother reports him kidnapped, and a massive police hunt is launched to find the toddler. With more than one suspect and no physical evidence, will Ryan's family ever learn the truth of what happened to him?

Found dead in an upmarket apartment, call girl Katka Cizek seems to have only one admirer capable of the murder: a man with everything to lose were his secret obsession for her revealed. By digging a little deeper, Crown Prosecutor Alesha Phillips discovers that betrayal can lead down the darkest of paths.

A nightclub peppered with bullets. Two victims bleeding out on the floor. The start of a deadly gun rampage through the streets of London. Matt and Ronnie are against the clock as they hunt the Bonnie-and-Clyde-like duo responsible for this bloody massacre. But their capture does not bring closure, with the defense claiming one of the pair was more innocent victim than violent killer.

Stabbed to death while they slept, David and Elaine Lerner prove to be a mystery to Ronnie and Matt as they investigate the murders. Since they were universally loved, how could the Lerners possibly be the intended victims of this senseless crime? It's up to Jake and Alesha to prove the motive, but when the killer has no memory of committing the crime, can they make a murder charge stick?

One stray bullet. One life taken. One day that will shake the world of the team forever, as they struggle to understand the involvement of 12-year-old Kaden Blake in the shooting of mother and caregiver Lia Brown. As a victim of gang culture, Kaden believes keeping silent is his only protection. By speaking out, he sets in motion a shattering chain of events.

A drive-by shooting outside the Old Bailey leaves one police officer dead and another wounded in what appears to be a targeted attack on a witness. However, Ronnie and the team are surprised to learn the gunman was targeting cops, believing his family to be the victim of a police cover-up. At trial, the defense team argue their client has been subjected to institutional racism by the police.

A bungled robbery leads to a person being shot dead and a hostage seized by two armed gunmen. To save the hostage's life, the team is forced to consider an immunity deal for one of the perpetrators. Ronnie and Sam must find the hostage before the Crown Prosecution Service is forced to make a deal, but they have just 10 hours.

A petty criminal's deathbed confession to the murder of a teenage girl leaves DS Ronnie Brooks shaken, as he is forced to reopen a case he thought he had put to bed 14 years earlier. At the time of her murder, the girl's wealthy businessman father was convicted of killing her. Now, a considerably more sober Ronnie questions whether more than his personal life fell victim to his addiction.

The murder of an elderly janitor in his home one afternoon is carried out with such precision and planning that the only evidence the killer leaves is designed to lead the detectives a merry dance. Could such masterminding be the work of someone not in control of their own actions? The defense argues so, but an altogether more sinister truth is uncovered by Jake and Alesha.

A murder inquiry is launched when a concerned citizen alerts the police to a shocking video of a teenage girl being attacked and shot. Hampered by the lack of a body and a trail gone cold, the detectives discover that finding those responsible is only the first challenge. Prosecuting the accused means dividing loyalties in a gang seemingly untroubled by the nature of their crimes.

Over one long day, the team work flat-out on three separate cases including tracking a serial killer, intervening in a family dispute turned murderous, and disproving an accusation of police intimidation. On a day that proves to be the longest 24 hours in their working lives, will all of them make it through with their careers intact?

The frenzied stabbing of a police forensic-lab technician unsettles the team in a way they never expected when DS Sam Casey falls for the killer's next intended victim. Sam's indiscretion threatens to damage the Crown Prosecution Service's case, but by crossing the line, has Sam also risked his career?