Proud Elizabeth from the Macaonnel clan was married by her guardian, the Duke of Cumberlain, to the gambler, slacker and drunkard Marquis of Bremor. Beth would have run away from her hated husband long ago, but the Duke still had her little brother hostage. Her last hope is to find the famous Black Jack, a brave warrior who, after the Battle of Culloden, helps the Scottish Highlanders avoid the revenge of the English. Beth with great difficulty achieves a meeting with the mysterious Knave. But, having gone on a date with him, she discovers her own husband...