The work of the London Major Trauma System, an interconnected network of hospitals, air ambulances and paramedics that was set up following the 7/7 bombings in 2005. Filmed during the busiest month of summer 2021, the series follows the minute-by-minute decisions made by some of the country's leading medics, as they treat the most critically injured patients. In the first episode, London's Air Ambulance is dispatched to 58-year-old Peter, who has been crushed under a 400kg crate at work.
