A West Midlands police officer receives life-changing injuries when a man viciously bites his finger. With the help of his support dog Holly, a PC who has been diagnosed with PTSD helps other sufferers, and we follow Leicestershire Fire and Rescue as they carry out training at an airport.

A paramedic experiences mental health issues after being assaulted but learns how to help others who are also suffering. In North Yorkshire, two officers from the roads policing unit take a hit from a car thief who is desperate to escape. The West Midlands Drone Unit demonstrates how their high-tech equipment plays an essential part in today's policing.