FIRST, DO NO HARM.

As the Chief of Emergency Medicine at Dade Presbyterian Hospital, Dr. Morgan Connolly faces death and suffering on a daily basis. So when two brothers in her care die suddenly as a result of rapidly advanced cases of meningitis, she is saddened but knows she has to let it go …

THEN, TRY TO SURVIVE.

Not long after, Morgan's own father is killed in what seems to be a random attack. Then, the number of patients dying due to seemingly preventable medical errors—also known as a Code 15—begins rising throughout the hospital, including the ER. And Morgan's own superiors think she is losing her edge. But she suspects that someone is cutting a deadly path of vengeance through Dade Presbyterian—a path that may end with Morgan facing her own demise at the hands of a madman …