The Pony Express

In the 1860's Senator Glen of California heads a secret society called the "Knights of the Golden Circle" in a conspiracy to have California secede from the Union, annex part of Mexico, and establish a new empire. He sends his men to Sacramento to eliminate debonair gambler "Frisco Jack" Weston, who has spoken against him, but Weston escapes to Julesburg, Colorado. There he becomes a Pony Express rider and a rival of Glen's agent, Jack Slade, superintendent of the Overland Stage Co., for the hand of Molly Jones. Weston succeeds in foiling Glen's plans to prevent news of Lincoln's election from reaching California by carrying the message himself. Among other intrigues, a halfbreed Indian, Charlie Bent, in league with Glen, leads a band of Sioux in an attack on Julesburg. Weston marries Molly before marching off to war.