Warning: Contains SPOILERS for The ConsultantAmazon's The Consultant borrows many narrative elements from its original Bentley Little novel but directs them towards a totally different ending — here's why. On the surface, Amazon's The Consultant is indistinguishable from its source material. Like the Bentley Little novel, it focuses on a gaming company called CompWare that is in dire straits and can only be saved from its imminent downfall by a consultant named Regus Patoff.
https://screenrant.com/consultant-ending-book-show-different-totally/