The League of Dark Stars, having extended its bloody power over many worlds that had the misfortune of being too weak, threatens the Empire again and again. Warriors of the League have become the owners of a super-secret device that allows them to make their warships invisible - what scope for a surprise invasion! The aggressors somehow did not take into account - that an unexpected obstacle would arise on their way in the person of a living legend of the galactic expanses with the rank of senior lieutenant, the indomitable Wilf Brim, literally born in a combat suit...