Jack Thornton has bother profitable sufficient at playing cards for the stake he must get to the Alaska gold fields. His luck adjustments when he pays $250 for Buck, a sled canine that’s half wolf to maintain him from being shot by an smug Englishman additionally headed for the Yukon. En path to the Yukon with Shorty Houlihan — who hung out in jail for opening another person’s letter with a map of the place gold is to be discovered — Jack rescues a girl whose husband was the addressee of that letter. Buck helps Jack win a $1,000 guess to get the provides he wants. And when Jack and Claire Blake pet Buck one night time, fingers contact.