The books in this series take place in a single imagined universe and revolve around the story of one family—by whose surname these novels also received their collective title: “The Saga of the Vorkosigans.” Most of these books are devoted to the adventures of Miles Vorkosigan, the son of a high-ranking aristocrat from the militarized planet Barrayar.
Miles, along with the Fleet of Dendarian mercenary troops, stops for repairs on the nearest calm planet—only to discover that it is the planet Earth. At the same time, the Komarr separatists attempt to replace Miles with his clone, in order to plunge Barrayar into a bloody slaughter of a palace coup and install the clone on the imperial throne. Now Miles must survive and convince his clone to switch sides…