It is the twilight of the Terran Empire. The warriors who made it great are long gone now, and the Traders of the Polesotechnic League who made it possible are the dimly-remembered stuff of legend. Alien enemies prowl its outer precincts, and Sector Governors conspire for the Throne of Man. On Terra herself, those who occupy the labyrinthine corridors of power busy themselves with trivialities and internal politics, as outside the final darkness gathers.