A woman and her son enlist a motley crew of so-called spiritual experts to help rid their home of supernatural squatters.

Follow young Cora’s journey as she makes a desperate bid for freedom in the antebellum South. After escaping her Georgia plantation for the rumored Underground Railroad, Cora discovers no mere metaphor, but an actual railroad full of engineers and conductors, and a secret network of tracks and tunnels beneath the Southern soil.