Premise: Diablo is a 2015 Canadian-American psychological western film co-written and directed by Lawrence Roeck and starring Scott Eastwood, Walton Goggins, Camilla Belle and Danny Glover. It was the first Western starring Eastwood, the son of Western icon Clint Eastwood.
Hypothesis: Diablo was the first Western starring Eastwood, the son of Western icon Clint Eastwood who touted the film as psychological.