Police: 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; it is up to the team to get to the bottom of which role each suspect played.

The team in Norwich gathers evidence about a single-punch attack that has left a man seriously injured, with no willing witnesses.

Taking a look at a violent home invasion that may actually have been a case of mistaken identity; CID Detective Simon Hawkins and his team track down the offenders and confront them with evidence that could put them behind bars.

Investigating an alarming string of burglaries targeting the elderly with CID Inspector Tom Smith and his team; they narrow down the suspect list and focus their attention on a slippery felon who is wise to all of their tactics.