A desert prospecter, Dick Norton, decides to head to the Klondike in search of gold. In the Klondike, Norton becomes a mining engineer whose honesty upsets a crooked Mortimer Pearson. Norton's girlfriend, Violet Winter and her father suddenly arrive in town.
Jack Thornton has trouble winning enough at cards for the stake he needs to get to the Alaska gold fields. His luck changes when he pays $250 for Buck, a sled dog that is part wolf to keep him from being shot by an arrogant Englishman also headed for the Yukon. En route to the Yukon with Shorty Houlihan -- who spent time in jail for opening someone else's letter with a map of where gold is to be found -- Jack rescues a woman whose husband was the addressee of that letter. Buck helps Jack win a $1,000 bet to get the supplies he needs. And when Jack and Claire Blake pet Buck one night, fingers touch.
During the Klondike Gold Rush, a misanthropic cattle driver and his talkative elderly partner run afoul of the law in Alaska and are forced to work for a saloon owner to take her supplies into a newly booming but lawless Canadian town.
Jack London's classic adventure story about the friendship developed between a Yukon gold hunter and the mixed dog-wolf he rescues from the hands of a man who mistreats him.
After striking gold in Alaska, the romantic George sends his womanizing partner Sam to bring his fiancée up from Seattle. When Sam finds that she has already married, he returns instead with Angel, a dancer originally from France.