The new Roman Empire invades the American Southwest towards the middle of the 21st century, and faces a new kind of U.S. Special Forces lead by a former outlaw and a member of the U.S. Senate. They form an alliance with the last surviving member of the British Royal Family, twenty-two year old Owen Badon. In London Caesar's sixteen-year-old daughter is torn to between her loyalty to her father and her new role in the United Kingdom. All of this and more are in New Rome Rises: Dux Imperatorius.