Mercy Street Season 2 Allegiances blur and loyalties shift as the Civil War pushes the drama beyond the hospital. Follow the growing chaos at Alexandria's Mansion House, the precarious position of the Green family, and the changing situation of the burgeoning black population. From executive producers Ridley Scott and David W. Zucker of Scott Free, Lisa Q. Wolfinger, and David Zabel, Mercy Street follows the doctors, nurses, and soldiers, as well as free, enslaved, and contraband African Americans and other residents of the war-torn Virginia city, as they navigate the new world emerging from the most cataclysmic event in our country's history.