Exhilarating look inside American ERs where medical professionals work 24/7 to save lives from life-threatening injuries, witnessing trials and tribulations of their arduous yet noble mission.

From heart attacks to gaping wounds, fierce pains, gun shots, and car accidents, there's never a dull day in the ER. Dedicated doctors, nurses, and technical staff provide innovative and effective emergency treatments for all kinds of trauma patients. Each episode features a different hospital; and the unique situations their staffs face; as teams make split-second decisions to save lives.