A young boy named Karl Berger Sr. (a surname given in the sequel) murders his abusive mother with a meat cleaver after she beats him for returning home late.

Twenty years later, in the mid-1970s, the imprisoned Karl is being transported to an unspecified location by the police, but manages to kill the officers and escape into the wilderness, somehow acquiring a cleaver in the process.

After one double homicide, Karl faints and flashes back to the day he murdered his mother, revealing he had been coerced into killing her by a demon (which a line of dialogue indicates might be his father) he had encountered in the cellar after being locked in it.

praised the film's raw violence, stating, "However crude the rest of this amateur production may be, there’s no denying the power of this gore-soaked mayhem.

Gallman concluded his review by writing, "Underestimate and judge the surface of Violent Shit at your own risk because this is the stuff of pure, uncut nightmare fuel.