As war looms over the J Star System, the Quad's surviving Hullen have gone into hiding, but Dutch and D'avin have a clever plan to draw them out. Far away on the fringes of the J Star System, Johnny begins a desperate hunt of his own for Clara, who is missing in the notorious Rat City. With few clues and less time, John goes deep undercover in the Hackmod world, chasing Clara's trail with an unlikely new ally.