Major Granger steals the famous "jewel of Akbar" from the Indian Raja and flees to the USA. On his deathbed, he hands over the jewel to Captain Jones. At the request of New Orleans Sheriff Nat MacKenneth, Tex and Carson try to recover the jewel...
Willer and Carson are drawn into a great intrigue, connected to the assassination of Abraham Lincoln, the public disclosure of which could lead to major upheavals in the highest circles of government.
Gold has been found on the sacred land of the Sioux. Despite a treaty stating that it is Sioux land, more and more miners are arriving, causing the Sioux to react by attacking them. White Cloud, the great chief of the Sioux, calls on Tex for help...