In the 21st century, the U.S. has been fractured by invasion and terrorism. Much of the Southwest is depopulated, with thousands of survivors having made their way to the small, snowbound town of Ironwood, Montana. There also the remnants of a group of cybernetically enhanced supermen may be going slowly insane—with murderous results. Enter Ross Bohlen of the Computer Subversion Strike Force. His job: ferret out the Chiphead killers without bringing what remains of civilization crashing down.