Max returns home to find his meagre possessions stolen. Following the thief, he arrives in the city of Barter, where Entity reigns. She hires him to get rid of Master and Blaster, kings of the Underworld. Unwilling to kill Blaster, Max is abandoned in the middle of the desert, from where he re-emerges at the head of a troop of children to blow up the city of Barter.