Some of these pictures and descriptions may give away plot details that you might not want to know before watching the film.
Paul Newman is Luke, part of a prison road gang cutting roadside weeds somewhere in the South. The head guard shoots a snapping turtle in a river with a rifle. Newman is sent to fetch it to cut it up for lunch. He uses a stick to pull it out by it's jaws. He says "Hey hey here he is boss, deader than hell but won't let go. Newman takes it to the truck, throws it in, then takes the opportunity to drive away in the truck to make his escape.