An Indian tribe in Arizona is divided about a planned smelting project. William Rockhill is a young Indian deeply opposed to the project and sets fire to equipment to be used in a survey. A friend of his, an Indian attorney, tried to stop Rockhill. The two men fight and the lawyer is killed. The lawyer is also the son-in-law of the tribe's chief. The situation is becoming explosive. Erskine and Colby are dispatched to resolve the case before the situation turns more tragic.