A live in-depth look at the brave American heroes who put their own lives on the line as they race into danger to save others. Television journalist Josh Elliott puts the spotlight on first responders, such as police officers, EMS technicians and firefighters who risk their lives every day to ensure the safety of their communities.

따르릉 울리는 전화벨. 수화기로 다급한 목소리가 전해지면, 의료진은 시간과의 싸움을 시작한다. 응급 환자의 생사를 가르는 것은 바로 시간. 60분 안에 모든 것이 결정된다!