Based on the excellent 2004 book by the reporters Bethany McLean and PeterElkind, who offer lucid commentary in the movie but cannot save it from being a poor substitute for their own hard work.
No, the big enchilada for Skilling is neither Enron 's failed broadband division nor its retail energy business, as Bethany McLean reports him predicting in The Smartest Guys in the Room, the book she co-authored with fellow Fortune reporter PeterElkind.