In a New Mexican town, Cisco and Pancho stop a man from bothering a woman. The woman is traveling north to Pueblo to meet her uncle, Tim Garrity, who is the sheriff. Cisco and Pancho decide to go north to Pueblo to help clean up a gang of bandits, the Red Deuce Gang. When they get to Pueblo they are framed as killers by the gang leader and have to escape a lynch mob.; Cisco and Pancho come across the aftermath of a stage coach robbery, which has left one man dead and the driver wounded. They find that this the third time bullion shipments from the Gold Hill mine have been robbed, while a rival mine, the Golconda, has all its shipments go through safely. Cisco and Pancho investigate the Golconda mine at night, but are ambushed and are framed as being the stage robbers.