When Chicagoan Steve Bartman fatefully deflected a foul ball in Game 6 of the 2003 NLCS, the city's long-suffering Cubs fans found someone new to blame for their cursed century without a World Series title. Director Alex Gibney explores the psychology of die-hard sports fans, the frightening phenomenon of scapegoating, and the hysteria that turned mild-mannered Bartman into the most hated man in Chicago.