Set in a period reminiscent of medieval Europe, the story unfolds in the castle town of Midland, where a tyrannical king has risen to power, employing demonic minions to oppress the populace. When a lone soldier, known as the Black Swordsman, arrives armed to the teeth, many feel that the king’s reign of unchecked oppression may finally end. The Black Swordsman begins hunting the king’s cruel servants with ruthless efficiency, refusing quarter, and preparing to exact vengeance upon the tyrant.