Abel Jones, a Welsh immigrant and Union army enlistee, investigates the death of Anthony Fowler, a young volunteer captain whose murder is blamed on the Confederates. Jones purpues the blood of the battlefield through the intrigues of Washington, D.C., where evil and good intertwine.

During the Civil War, a quiet Welsh immigrant is ordered to investigate the murder of a Union officer, known for his abolitionist views. Captain Jones is an accountant, not a detective, one reason he was chosen, but he is a man of honor and he gives his nasty superiors a nasty surprise.