
The work of staff at Stoke-on-Trent's Royal University Hospital, where front-line NHS staff explain the emergency cases they are faced with and the course of action they will take.
A life-threatening aneurysm and a potentially fatal fall have staff racing against time to help the patients.
Samantha collapses at an adventure park unable to move or talk; Huw is driving when he has a heart attack.
David is rushed in with life-threatening injuries after being attacked with a machete; his deep neck wounds are shocking; as they fight to stabilize him, every moment counts in his fight for life.