Investigating everything from life and death injuries on the road to medical mysteries in the hospital, the Trauma Doctors are on call 24 hours a day. After falling three stories, the team carefully maneuver a 22-year-old man out of a tight space and rush him to hospital. Internal bleeding could prove fatal and a damaged spine may leave him paralyzed for life. After being hit by a skip lorry, the air ambulance team races to stabilize an elderly man whose injuries are so serious that the accident may become a criminal investigation. With a family history of aneurisms, a young woman’s dizziness could have fatal consequences, but a series of diagnostic tests only deepens the mystery. Every minute is vital as paramedics race to King’s Cross railway station to revive a man suffering from cardiac arrest.