It's a 2015 American Western horror film written and directed by S. Craig Zahler, and starring Kurt Russell, Patrick Wilson, Matthew Fox, Lili Simmons, and Richard Jenkins. The film follows a group of cowboys (and a Comanche ally) who set out to rescue a group of women who have been kidnapped by a group of cannibalistic troglodytes.
The film received generally positive reviews from critics, with praise for Zahler's writing and directing, as well as the performances of the cast. It was also a box office success, grossing over $12 million against a production budget of $1.8 million.