Murderer hiding out on a failing mine operation, is discovered by the chief engineer. Both are stuck in this remote area of Mexico for 6 weeks until the company owner's plane returns. With the contract almost up, the a...展开ccused killer was brought in to spur the dig, in return for refuge. He keeps a gun trained on the engineer, though the engineer assures the hunted man he empathizes with him. Opportunities to kill each other in the shaft are rife, but the fugitive's work is turning the project around.