Kind of what your getting at but kind of nae as it was an after thought
Lone Survivor would be my answer. Liked the film. Thought it was decent. Then made the mistake of reading the book. Turns out alot of the film is complete holywood sh@te. Marcus Luttrel was 6'6. Wahlberg certainly isnt. I though the holywoodisation of the story where 3 navy seals plus a rescue team were killed was in bad taste. Anything for a quick buck
Probablly true about alot of true story films. The difference being for me i read the book with this one
The Ice Man was another in a similar vein. I read the book first then saw the film and half of Richard Kuklinskys bad ass (including the bad assest of crimes) were missed out and he was made out to only look half as bad as he was