A police forensics lab technician is stabbed to death in her home. Another victim, Lucy Kennard, comes forward and identifies her attacker. She and DS Casey become intimate, but she is not what she seems.
Casey and Brooks attend the scene when a barman is found shot dead in his car, then respond to an emergency call relating to a violent argument in an office. Elsewhere, at the crown court, a murder trial is thrown off track when a defendant alleges that he was intimidated into making a false confession by one of the detectives.moreless
A video of the assault and shooting of a teenage girl has gone viral. Brooks and Casey must identify the victim and track down her attackers. Without any forensic evidence, the prosecution hinges on the evidence of a key witness.
An elderly janitor is murdered, and the precise nature of the crime are detailed in a manual he purchased three weeks earlier. Brooks and Casey track down the killer, but the defence team gets a vital piece of evidence excluded from the trial. Thorne and Phillips uncover a second suspect.
A criminal makes a deathbed confession to the murder of a teenaged girl, which poses problems for DS Brooks as he was involved in the arrest and conviction of the victim's father some 14 years before. Reopening the investigation, Brooks and Casey identify another suspect, but Brooks's conduct during the original inquiry come under scrutiny in court.moreless
Two armed robbers shoot a man dead and take a taxi driver hostage after fleeing a fast food restaurant. DSs Casey and Brooks track down one of the men, but he demands immunity from prosecution for murder in exchange for information about the whereabouts of the cabbie. The CPS agrees, but when the kidnapped man is found dead, Jake Thorne tries to press ahead with the murder charge.moreless
DS Sam Casey, brought in to investigate the drive-by shooting of DS Matt Devlin, initially assumes that drug dealer Mark Ellis was involved. He and DS Ronnie Brooks discover that the gunman was targeting police officers because of a long-standing grievance against the police. Prosecutors Jake Thorne and Alesha Phillips must convince a jury that the defendant is a murderer and not a victim of police racism.moreless