With 70 remote cameras filming around the clock, this 14-part documentary offers unprecedented access to London's busiest Emergency Rooms at King's College Hospital. 

Each episode tells the intimate, emotional stories of patients treated in just one 24-hour period. 

Get to know the nurses, doctors and technicians whose split-second decisions determine whether someone lives or dies.

Critics are raving about the most-watched unscripted show in the UK. David Charter of The Times pens, "[It's] the funniest, saddest, most honest and ultimately the most uplifting series on television."