Garvin leads a rebellion against his father to end the exploitation of fellow telepaths and end the Goblins' rule over the outer worlds of the Time Lanes
The writing was much better than in the first one, although it still occasionally slipped back into the clunky style that made the first one unbearable.
The style is still needlessly slippery, however, and the characters not rich enough to support the abstractions, weirdness and ideas (all of which are almost compelling).