James-Cyrus Hoffmann has just inherited his grandfather's farm, and with it a mysterious cabin deep in the woods on Hoffmann mountain, a cabin he has dreamed about since childhood. When James-Cyrus enters the cabin, he is vaulted back through time to the Civil War era, where he meets Elizabeth, the brave young woman who lives there, and Malachi, a runaway slave.
James-Cyrus' neighbor, Cora, knows all too well the tragic history of the cabin. When James-Cyrus tells Cora about Elizabeth, Malachi, and his fantastic vault back through time, the two devise a plan to change the past and right a wrong that has haunted the Hoffmann family for generations. But can they find the key to unlock the past in time to change what history said happened to Elizabeth and Malachi?