"Joe Bell" tells the heartbreaking true story of Joe Bell (Mark Wahlberg), an average guy from the heartland who has difficulty showing support and acceptance of his teen son Jadin (Reid Miller) when the youth reveals he is gay. As a sophomore and a member of the high school cheerleading squad, the teen was subjected to unmerciful bullying by school jocks. Joe Bell is ill-equipped to handle things as are school officials who won't discipline the bullies. Ashamed of his own inability to handle the situation in the moment, Bell resolves to walk cross country to protest bullying and its dangerous impact on young people who are different.