In Lancashire, a police sergeant receives life-changing injuries when he is the victim of a brutal attack, but he's determined to return to work. In Northamptonshire, a police dog comes to the rescue when his handler faces a dangerous car thief, and in Bristol, a man goes on a knife rampage in a busy high street.

In Kent, a police sergeant puts his life in danger when he rescues a man from a house fire, while in Bristol, two cops wrestle an armed robber to the ground. In Oxfordshire, after being assaulted by a man he was trying to help, a paramedic has an arranged meeting with the offender.