An investigation into the murder of a mental health activist is thrown into disarray when Steve, Danny and Ted are suspended pending an investigation into their handling of the Henway case. The team's determination to continue their investigation threatens the future of UCOS.moreless
Blood traces on a phrenology bust uncovered in a cemetery suggest it was used to murder a herbalist seven years earlier. The investigation leads the team into the world of cryogenics.
A skeleton is identified as the member of a winning lottery syndicate who disappeared 17 years earlier.
New evidence prompts a fresh investigation into the death of a talented young cricketer.
The team investigates the apparent suicide of a City trader.
Ted Case, brought in to cover for the injured Sasha Miller, leads the team in an investigation into the apparently racially-motivated murder of a vicar.
When the conviction of a notorious crime boss, Edward Monroe, is questioned because a corrupt senior officer might have suppressed some evidence, UCOS is tasked to make a preliminary investigation. This case hits home for DCI Miller as she is certain that Monroe killed her CID partner eight years ago.moreless
The weapon used to murder an Italian immigrant is found when an unexploded World War II bomb is unearthed on a West London allotment. UCOS re-opens 25 year old case and the ritualistic way of the killing leads then to one of the other gardeners when it's revealed he is a practising druid. DCI Sasha Miller arrives to replace Det Supt Sandra Pullman.moreless
UCOS re-opens 17 year old missing person's case of a music student when a photo that features her is found in a charity shop donation bag. Sandra is convinced that it's a work of a serial killer. The team puts their efforts on identifying and finding all the other people on that photo. But when the pressure increases to hand over the investigation, Sanda starts to think about her future and turns to Jack to help make a decision.moreless
UCOS re-opens an old case of MP's researcher Ben Ransley's death when a dormant offshore bank account containing a lot of money is discovered in his name. He was killed on the evening of Labour's landslide victory and police found a photo of a beautiful blonde in his wallet. The woman was never identified. In the search of this woman Strickland introduces Sandra to a war crimes prosecutor who is very helpful to the case.moreless
UCOS team are tasked to re-investigate the five year old case of Simon Belgrade's disappearance when his blood-stained identity card is found in Epping Forest.
The UCOS team reopens a unsolved murder case of pornographer Jim Hockney when his daughter's paternity test reveals that he was not her father. They try to track down the previous suspect for the crime, the victim's girlfriend jazz singer Angela Gold. Recently retired police officer Dan Griffin joins the team as Brian's replacement.moreless
To keep his mind busy after his dismissal from the UCOS, Brian agrees to help one of Esther's friends to find her missing brother. At the same time UCOS team is trying to track down a conman who may be connected to several outstanding cases.moreless
UCOS team re-investigates the murder of the young mother whose husband was convicted for her murder after he is released on appeal. Brian thinks his days at UCOS are over.
The team is still in Rock of Gibraltar and are struggling to figure out what links murder of Christian Highsmith in 1998 to the murder of young local boy in 1982. After their return to London Brian Lane faces a disciplinary hearing for assaulting Commander Embleton at his retirement party.moreless
A mysterious gun is found in the Thames which leads UCOS to an unsolved murder of a playboy shipping heir in 1998. Brian Lane gets suspended after he is accused of assaulting a fellow officer he thinks has cover up a death in custody which lead to his early retirement from the police force.moreless
McAndrew and Standing are sent to Scotland by Strickland for a week, to help the Glasgow Police try and establish a new UCOS section led by DCI Fiona MacDougall. While there, they end up being caught up in a cold case from 1993 featuring the murder of bookie James Soutar.moreless
Thirty years ago, Strickland and a group of his associates, including Stephen Fisher, were involved in a covert operation on behalf of MI5. Now, someone is trying to kill all the members of that group and Strickland turns to the UCOS team for help.