 Although it has been terraformed into a pleasant enough abode, Pluto is thoroughly neglected by a narcissistic Earth, and only ne'er-do-wells and misfits settle it.Sibley, with no marketable skills, is drafted into the Plutonian army, which is building an anomalously large war machine.His new commanding persona makes him swiftly rise in rank, and he soon concludes that Pluto intends to invade and plunder its neglectful mother planet.