The Risen Empire is opposed by their eternal enemy the Rix who exist to turn planets into compound minds run by an AI.
The story starts with the Rix capturing the eternally youthful Child Empress and events unfold from there. This story is full of battles, political intrigue, thrills, spaceships and amazing technology. In other words all the ingredients that make up space opera of the Star Wars type.
A fun read you can enjoy without having to worry about any hard science.