The Asteroid Belt, between the orbits of Mars and Jupiter, is the scene of a thousand disk shaped vessels. Working collectively, but otherwise isolated and alone in the depths of space, the four person asteroid tug crews seek a welcome distraction in the form of socialization and fornication during a month-end furlough at Ceres Station. Naval officers, Tom and Gerard, who signed up for the ten year mission, find their routine tow turned into a battle to save humanity from the designs of religious extreme.