Crooked Bluff Hardcastle is appointed by the court to take care of the business affairs of pretty young Helen Saunders' ranch, which is about to go out of business, but Hardcastle is secretly planning to swindle her out of the ranch. He is thwarted by cowboy Jim Donovan and his friend, banker George Masters, who buy Helen's ranch at auction. Angered, Hardecastle sends his hired thugs to get rid of Donovan and Masters so he can get his hands on the ranch.
Cattle rustler Nevada dreams of living like an emperor in the West. Hoppy and the Bar 20 boys aim to put an end to his dream.
Mary Rutledge arrives from the east, finds her fiance dead, and goes to work at the roulette wheel of Louis Charnalis' Bella Donna, a rowdy gambling house in San Francisco in the 1850s. She falls in love with miner Carmichael and takes his gold dust at the wheel. She goes after him, Louis goes af...
During the 1700s, in the Great Lakes region the British troops have driven the French out and with help from the mercenary Hessian troops the British plan to annihilate the native tribes.