How do you find out what happens to the restaurants on "Restaurant Impossible"?

I had some time to kill the other night and watched this interesting show Restaurant Impossible. This guy, Robert, who apparently knows the business, goes into these restaurants that are in trouble and in two days and $10K he turns them around, maybe.
What really happens to these places?
I really don’t believe much of what I see on reality TV, but it would be cool if the projects really worked.