In 1883, in South Dakota, the former buffalo hunter Sandy McKenzie is tired of hunting the animals. He is approached by Charlie Gilson, a man that feels pleasure in killing buffalos and Indians, who proposes a high salary to him to hunt buffalos for him. They associate to each other and hire the skilled skinner Woodfoot and the half-Indian Jimmy O'Brien to help them. When a group of Indians steal their horses, Charlie hunts them down and kills them in their camp. Charlie finds a gorgeous Indian girl with a baby boy and he brings her to his camp to be his woman. However, Sandy and she are attracted to each other but they fear Charlie. Over the days, the tension between them increases until the day Charlie kills a white buffalo that is sacred for the Indians.—Claudio Carvalho, Rio de Janeiro, Brazil