A former footballer is beaten to death in what looks like a robbery gone wrong.
Police are forced to abandon a case but something happens which shakes them to the core.
Prison officer Charlie Tyner is found shot dead on a council estate in Hackney.
Three people are violently murdered in a London shop.
Two children are charged with a toddler's murder.
Brooks takes part in an undercover sting, but an innocent bystander is shot.
The death of a rich white girl used as a drug mule brings confusion for Ronnie and Matt.
A man is attacked and his kidney is surgically removed, but who was the beneficiary?
The police investigate when a homeless man is found brutally beaten.
Brooks and Devlin investigate a case of child abduction which takes a shocking twist.
When a gay PC is killed in crossfire, his colleague is found to be linked to a hate group.
James Steel and Alesha Phillips find themselves up against a tenacious barrister.
Was the arson attack on a Turkish club claiming 17 lives racially motivated?
The 20-year-old unsolved death of a young boy leads to the discovery of repressed memories
Crime drama following both police and prosecutors as they bring criminals to justice.
The detectives investigate the case of a boy found kicked to death at Euston Station.
A body is found at a London hospital.