He lived at a big house in Santa Clara Valley. He was in charge of the land and no other dog comopared to him. He would complete a lot of jobs for Judge, his owner.
Buck sees snow for the first time
Buck goes off on a walk with Manuel while everyone is busy. Buck is oblivious to what Manuel is about to do. Buck trusts Manuel so he doesn't suspect anything. Manuel sells Buck to a stranger and they put a rope around his neck and he trys to fight back, but ends up getting choked out.
Law of Fang
Buck gets beaten and tortured. He learns that whoever has the club makes the rules and you must follow them.
Buck is a new dog
Buck sees snow for the first time and is a little confused. He had been taken up north. He has never been around snow. He starts playing in it, but the people start laughing at him and he doesn't understand why.
Buck witnesses a dog named Curly get attacked by the other dogs. She was trying to interact with the other dogs. She was killed and Buck learned not to mess with others and when you're done, you're done.
Buck learns a lot of new things and his natural instincts start to come in. His moral compass lowers and he realizes he needs to do what he has to make it here. He compares his old life to his new one.