Police: Suspect No.1

Detectives investigate when a man is found in the early hours badly beaten at the side of the road with significant facial injuries and little recollection of what happened. DS Lee Marriner and DC Craig Weir start hunting through all the images from that night to see if they can pick up anyone who might have been with the victim, and several clips emerge but identification is a problem.

Detectives investigate after a violent attack on a group of friends on a night out leaves one of them critically injured and fighting for his life in hospital. Tracing the culprits is going to be no easy task as the fight was caught on CCTV, but from too far away, and police must now piece together all the clues they have to try to find out who was involved, and build their case.

A city centre pub erupts into violence as gangs engage in a brutal turf war to control the sale of drugs. Detectives set out to bring down the Norfolk-based gang and the man at the top.

Gangs are flooding Norwich with drugs brought in across the county borders. Hunting the head of the gang, a specialist team gather evidence and make an arrest - but is it the right man?