There’s no peace in the Universe! In the corporate war in which combat-robot pilot Jack Stenton takes part, a "third force" intervenes: inhuman beings attack all sides of the conflict indiscriminately. The government’s special services manage to obtain information about a planned alien landing—once they controlled the planets of the sector and used people as slaves. The aliens have a network of long-conserved underground bases where garrisons still remain. All corporate wars have stopped, and the best units of former opponents are transferred under the command of the Ministry of Defense. To preempt the aliens’ decisive offensive, the military urgently prepares a counter-landing for strikes on the enemy’s space bases…