Parents need to know that The Devil All the Time is an extremely graphic film with disturbing scenes of violence and sex. It offers a largely negative portrayal of religious faith, including a priest who convinces devout teenage girls to have sex with him, a proselytizer who stabs his wife because he thinks he can resurrect her, and a man who kills a dog as a sacrifice to God to save his dying wife. Adapted from a novel, the film depicts rural areas in the 1950s and 1960s as dens of poverty, depravity, corruption, and ignorance. There are war scenes, two suicides, and more than a dozen people killed in a variety of ways shown in graphic detail. Characters maim or kill to teach their kids a lesson, to protect or avenge loved ones, as self-defense, for personal pleasure, or to avoid being exposed as corrupt. A man and a woman are serial killers who lure young men in with sex and then photograph them dead or dying. A series of underexposed photos show the woman in various positions with her victims. Other sex scenes are less graphic in terms of what's shown on-screen, but not in terms of what we understand to be happening, including a woman pleasuring a man in a car, another performing oral sex on the priest, a bar that has rooms in the back with sex workers, two teens about to have sex on a school bus, and teen boys chasing a girl and talking about "hard-ons." Language includes various forms of "s--t" and "f--k" as well as "ass," "hell," "bitch," "damn," "pimp," and "whore." There's also some drinking.