In Las Vegas, Tex meets Jim Landers, a tough guy whose cattlemen are tough men and good shooters. After Las Vegas, Tex heads to San Rafael, but on the way he is attacked by a Pueblointian, who before his death promises Tex bloody revenge at the hands of the insidious "Black Coyote". True to his ways, Tex doesn't shy away from any mysteries, but unravels Coyote's machinations with the help of his son Kit and Kit Carson. Finally, his journey takes him into the shadow of Mount Superstition. There is a treasure hidden in the hollows of the mountain, which causes a fight and frauds in the bootlegging trade. Old Pawnee, who retreated from the mine to defend himself, lives on the mountain and has completely cut off his connection with other people...