In Mexico, Wes Stone picked up his father's gun, rode his father's horse, and took on his father's enemies. In California, he planted a band of savage criminals in the ground. Now Stone is heading up to the plains of Colorado, where a new kind of war has begun.

A dangerous band of mercenaries is going for the gold--enough to bankrupt the entire country. Their scheme: to raid four U.S. mints. Their weapon: an armored train tearing through the West...