The action of this fantastic action film takes place in the distant 26th century. A mysterious invader appears on several base planets of earthlings - a non-humanoid race of xenophobes. The existence of humanity is under threat. The latest technologies are involved in fierce battles - combat robots and aerospace aircraft controlled by brain biocurrents, but no artificial intelligence can replace humans. The heroes of the novel - Dev Cameron and his lover, Lieutenant Katya Alessandro - find themselves in the thick of military events, and it is on them that much depends the future of earthlings.