Siegfried of Xanten snatches the Nibelung treasure from the king of the underworld and slays the dragon Fafnir, whose blood makes him invulnerable. Siegfried falls in love with Kriemhild, the sister of the Burgundian king. But only if Siegfried helps Gunther marry Brunhild will he be allowed to marry Kriemhild. He fulfills this condition, but the two women bring ruin upon Xanten and Burgundy...

The body of Dr. Charles Berens, Chief of the United Nations Medical Relief Organization, is seen hurtling from the lofty parapet of an ancient church. He has chosen death rather than capitulate to his murderous pursuers. Police chief Colonel Ferrer (Andrew Faulds) arrives in time to hear the dying Berens last words: "July the 18th! The One Eyed Soldiers."