On full surveillance mode, the Friday Street squad have an explosive start to the day, at the funeral of the son of notorious gangster Nora Attah. Straight back in the deep end, DI Viv Deering and the team fight to prevent the breakout of a gang war in the city. Meanwhile Joy and Tegan literally uncover a body of work to piece together a case against the dodgy crematorium owners.

As the team quell the riots that are exploding throughout Manchester, Dinah's discovery of young casualties in a gang-owned property pushes investigations in an unexpected direction. Joy is thrown into freefall after a shock discovery at Friday Street.

The dead vape shop kids are all identified, as Dinah and Deering hunt for those aiding the Attahs in child exploitation.

Tensions run high between Joy, Dinah and Deering over the Attah case and the Friday Street team. And an urgent search ensues when a father reports his teenage daughter missing.

The race to nail the Attahs sows seeds of mistrust and secrecy between Deering, Dinah and Joy. And controversy rains when Deering recklessly co-opts mouthy Donna Calvert to infiltrate the Attah gang. Dinah has to solve a chaotic puzzle at an abortion clinic where a peaceful staff protest takes an unexpected turn and quickly starts to spiral out of control.

With Deering suspended from duty, she runs rogue determined to get Nora. Back at the station, Lickberg tries to control the team, as they urgently up the manhunt for one of the Attahs' missing victims. And an unlikely alliance is agreed between Deering and Nora, who wants to stop an FGM cutter arriving on her patch - and Teegan is sent in under cover.

With Deering, Dinah and Joy's friendship in jeopardy and Donna Calvert missing, the race to prevent the Attahs' escape and to bag them once and for all puts the team's lives at stake. The final action-packed showdown sees Viv at her finest, deconstructing Nora's family, and trying to repair the fractures that have crept in to her own...

DI Deering and her team must crack the case of a twisted serial killer - by whatever unconventional means possible.

After Deering and her team lose the serial killer case, the cops see a chance to redeem themselves by investigating a dangerous new street drug. No animals were harmed in the making of this episode.

The serial killer is showing no signs of slowing down, while local racial tensions are also running high when an Asian woman is killed in a suspected racist attack.

The Friday Street team uncover a scam encouraging people in debt to sell their kidneys, while the search for another girl abducted by the serial killer leads to a big breakthrough.

The police set up a trap for the prime suspect in the serial killer case, but their plans could be derailed entirely after a notorious child murderer's new identity is leaked on the internet.

Deering leads a manhunt through Manchester as the net closes in on the serial killer. Joy and Spike discover an unsettling slavery case after a brutal attack on a young homeless man.

The fatal shooting of a respected surgeon leads the team to an unlikely suspect. Meanwhile, Dinah and Deering make disturbing new discoveries in the serial killer case, fearing it might not be over.

In the final episode, Dinah clashes with Deering, setting off an irreversible chain of events, and an attempt to save the lives of a mother and baby goes disastrously wrong.