The story centers on a group of redneck 'deplorables' (references here to Hilary Clinton's labeling of Trump supporters in the US election campaign) abducted and subsequently hunted by a group of wealthy liberal elitists who fail to see the at odds nature of what they are doing set against the do-gooding political correctness of their espoused beliefs.
The story rolls along at pace with the initial bewilderment of the participants gradually being explained as they are picked off one by one (pretty rapidly initially actually) and with the emergence of the one victim who is capable of hitting back. There is a plot twist in respect of this character that is probably meant to be part of the underlying message of the film
Spoiler
that only by being in the middle can one truly be considered 'innocent' of the bias and bigotry seen on both sides and possibly have a chance at survival
But I have to say, for all I enjoyed the film, I don't think it's terribly deep, or it's message terribly revealing. I think to wrap it up in a deep moral message is possibly more reflective of an external justification for the internal pleasure we are getting from seeing a group of priggish narcissistic assholes getting their cumupance in a blood spattered gore-fest.
See it for yourself and let me know what you think!