The book is told from Louis's point of view, and as they try to deal with Barrows, Louis gradually is going insane. Part of Louis's problem is that he is in love with Maury's daughter Pris, who is recovering from insanity. Worse for Louis, Pris seems fixated on Barrows. Louis's descent into madness wasn't as interesting as similar characters in other PKD books. Nowhere in particular.
Events happen randomly, and the end of the book comes when there's nothing more to say.
The only sf idea in the book, besides the robots, is that a large portion of the population is confined in state-run asylums, as society has passed strict laws against mental illness. The robots themselves are fun, though. The first robot made is Abraham Lincoln's Secretary of War, Edwin Stanton, who apparently is an interesting person despite his obscurity. Assuming PKD has his history correct, Stanton didn't get along with Lincoln. However, this novel falls short of its potential.