The Joyton family runs a station for the famed Butterfield Stage Line on a mountain pass in southern Arizona. A pleasant, solitary lifestyle. Until a stagecoach arrives with a dead man inside. They are told the mysterious man accidentally shot himself. But fourteen-year-old Drew Joyton suspects foul play. Meanwhile, a new family arrives and begins to build a store, even though no town exists nearby. And a dangerous stranger appears. Then hostile Apaches pin down two wagon drivers headed for the pass. Drew and his sister Blaze must decide whether to risk their lives to bring help.