Loyal slave of the aristocratic Dabney family, Dan is overjoyed when Raoul becomes engaged to Northerner Elsie Hammond and his sister Grace becomes engaged to Elsie's brother John. When the Civil War breaks out, the heartbroken Hammonds return North and John joins the Union army. Raoul joins the Confederacy, but his vindictive overseer, Jonas Watts, becomes a Union officer. Watts takes Grace prisoner, but before he can act on his desires, John rescues her.