Jim Blake, the playboy son of a New York millionaire, heads west to prove himself a man. He goes to work on his father's ranch in Wyoming, and eventually wins over the locals by turning the tables on a town bully and trying to collect damages from a railroad magnate, whose trains have killed many of the Blake ranch's cattle.
Muriel Flemming secretly marries Graydon Burton before he heads West to make his fortune. Later, when he is about to board a train to return to his wife, he is accused of a murder that was actually committed by crooked attorney Herman Slade.
Upon hearing about a woman dubbed The Huntress because of her wild attention craving ways, Fleming Harcourt decides he can domesticate her and they marry.
In the future (1921), an alliance of several foreign countries plot to attack the US. American officials, coming to the realisation that the country is basically defenceless, offer $1,000,000 to anyone who can come up with a weapon to defeat the invaders.
Having forced Jim Carson to leave town in order to avoid a trumped-up embezzling charge, now Albert Temple is rid of his only serious rival for Helen, whom he soon marries.
The plan is this: a foreign man of war is interned in the harbor. By blowing up this boat, Carney figures that strained relation existing between this country and warring nations will snap and the United States will be drawn into the conflict.
The story takes place in Monte Carlo, where the impoverished Julian proposes marriage to the wealthy Dora, only to be turned down by the girl's mercenary mother.