Thanks AntcuFaalb. :)
And yeah, it started with one curve and ended up being 5 curve files, 2 histogram conversions and lots of other settings like "selective color". I revisited the settings about 30 times or more during that time.
We won't go into complete detail about it, especially since we're way past that point, everything is final and almost ready for release.
But I should've said that the saturated pic I posted was from the raw GOUT, nothing else. It was just to show how bad the colors are and why it's hard to get something out of it.
Here's that same scene before and after: