Buck at first was not used to life outside. He was used to nice life indoors where the fire was and was given attention. Until he was kidnapped. His first few weeks were tough but then he got used to it. But then he was tested by the leader of the pack, Spitz.
Should we make them run?
Spitz proved his dominance by killing off Curly, another dog on the sled team. Buck knew that he HATED Spits right then in there.
Buck killed off Spitz soon enough though. He acted out of pure instinct and used his strong senses and instincts. All the dogs knew that once you were down, you were done.
But when Francois and Perrault, Buck's former owners, got new orders by the Canadian Government, things started to go downhill. Buck's new owners, Hal, Mercedes, and John, were Brutal and forced Buck's whole team to work longer and harder hours with NO sleep!!
But, due to severe lack of experience, the sled dogs, Mercedes , Hal and John all died because they crossed a river with a very thin layer of ice. Buck knew it was unsafe and didn't follow the rest of the team. Buck was on the verge of dying due to lack of food until he was rescued by a prospector named Thornton.
Buck's rescuer, prospector Thornton, was a lot more experienced. In return, Buck was his loyal friend. Thornton knew so much of the wild and kept buck out of danger. Once there was a cliff collapse and Thornton had all the necessary tools for the job. Though Buck loved Thornton, it was time to make his call back to the wild!