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.

A group of slaves plan a daring 600-mile escape from a Georgia plantation. Along the way, they are aided by a secret abolitionist couple running a station on the Underground Railroad as they attempt to evade the people charged with bringing them back, dead or alive.