1862. Mary Phinney, a New England abolitionist, and Emma Green, a Confederate belle, collide at Mansion House, the Green family's hotel that has been transformed into a Union Army hospital. From executive producer Ridley Scott, Mercy Street goes beyond the battlefield and into the lives of Americans on the Civil War Homefront as they face the unprecedented challenges of one of the most turbulent times in our nation's history.
The staff unites to save one of their own. A former slave turned activist arrives in town, causing a rift between Foster and Mary. The Greens are in disarray; Emma and Frank’s romance ignites and Samuel plans for a reunion with Aurelia.