Texas in the 19th century. The War with Mexico is still a recent memory, marauding Comanches are a daily threat for new settlers of the Lone Star State. Louise Poindexter, a beautiful newcomer, is courted by two men - the arrogant and vindictive Cassius Calhoun and the dashing but poor mustanger Maurice Gerald. Calhoun plots to eliminate his rival when tragedy strikes: Louise's brother, the young Henry Poindexter is murdered. All clues point to Maurice Gerald as the assassin. At the same time an eerie rider is spotted in the environs of the Poindexter plantation - a horseman without a head! Is it the ghost of Henry Poindexter crying out for revenge? Is it the Devil himself laying claim to the blood-tainted land? Many puzzling and frightful events will take place before the mystery of the Headless Horseman is solved and the murderer of Henry Poindexter is brought before Justice.