The year is 2018, and the world has been regrouped politically to a hegemony of six conglomerate cartels. There is total material tranquility: no wars, no poverty, no unrest--and no personal free will and no God. The ingenious way of ventilating human nature's animal-violence residual content is the world sport of rollerball...a combination of Roller Derby, football, basketball and speedway where violent death is part of the entertainment. The long-standing hero of the sport is becoming dangerously popular. He is ordered to retire. He refuses. In this world, you don't refuse...