Suspect No. 1

In Norfolk, an otherwise unassuming summer evening is shaken by an armed robbery. A vehicle is stolen, and innocent people are shot.

Detective Inspector Burgess of Norwich CID has a problem as the number of home burglaries has rocketed. Looking at the evidence, officers suspect that one man is potentially responsible for a large part of the spike in residential crime.

After a raid on a cannabis factory, nine people are arrested, and it is up to the team to get to the bottom of which role each suspect played.

The team in Norwich gather evidence about a single-punch attack that has left a man seriously injured, and there are no willing witnesses.

When a man is found badly beaten on the side of a road with little recollection of what happened, Detective Sergeant Lee Marriner and Detective Constable Craig Weir must check all the available images to see if they can find any leads.

During a lads' night out, an interaction with a stranger leads to a violent attack that leaves one of them fighting for his life in hospital. Police must work to track down the assailant.