Law & Order: UK

Ronnie’s new partner, Joe, arrives just as Ronnie, Jake, and Kate are trying to nail drug overlord Horgan for the third time and another mutilated body has been found.

Investigating the stabbing of a psychiatrist, Ronnie and Joe find a secret room in his office. Jake and Kate disagree over which charge to bring against the accused.

Tensions run high within the police force when the skeleton of a missing police officer is found 20 years after his disappearance.

No one is more surprised than Ronnie when a murder investigation leads him to the door of his old boss: Natalie Chandler. How far will he go to help his friend?

Everyone is on edge after an apparent suicide begins to look more sinister. A professional disagreement with Jake prompts Kate to take matters into her own hands.

Forensics from a blood-spattered hotel room lead Ronnie and Joe to a surprising class of criminal. When an old nemesis serves as defense counsel, can Jake keep his cool?

Ronnie and Joe must catch the killer before he or she can strike again-and the next target is one of their own. Kate must hold her nerve to see that justice is done.

The pressure is on after a fatal stabbing in a crowded London market. But with Ronnie being questioned at every turn, is it the end of the road for his career?