Since bursting into the headlines in New York City in the late 1980s, preacher and activist Reverend Al Sharpton has been at the center of the national conversation around race. In the aftermath of George Floyd's horrific murder in 2020, the veteran civil rights leader has further expanded the reach of his powerful bullhorn against America's deafening complacency in the fight against racial injustice - amplifying the ugly truths about the ongoing impact of structural racism on this nation many would prefer to ignore. Rabble-rouser or activist? Opportunist or trailblazer? With never-before-seen archival footage and unprecedented access, Loudmouth puts a disruptive spotlight on the pastoral prodigy turned political firebrand turned media establishment figure.