John Twist, gunslinger, prowls a landscape that is a weird mix of Wild West and science fiction pulp tales. In the aftermath of the Venusians' arrival on Earth in the 1950s, a "psychogeographic event" occurs, separating the old Wild West from the rest of the planet. There, Boot Hill and Tombstone are alive as they once were, without the interference of modern technology. Twist must fend off the advances of Miss Viva Venera, a Venusian necrobabe, as...