A video about Neo-Nazis originating in Sweden provides the starting point of an investigation of extremists' networks in Europe, Russia, and North America. Their propaganda is a message of hatred, war, and segregation.

Louis Theroux travels to California to meet the man dubbed "the most dangerous racist in America"; Tom Metzger. Louis meets him, his family and his publicity manager as well as following him to skinhead rallies and on a visit to Mexico.

Out of the spiritual chaos of the 1960s, more strange cults and unorthodox messiahs have emerged than ever. Charles Manson is seen as the annoying result of libertarianism of the 1960s - the Cain who murdered the Abel from The Love Generation. Or in the words of one commentator; "the Elvis of alienation."

THE ARYANS is Mo Asumang's personal journey into the madness of racism during which she meets German neo-Nazis, the US leading racist, the notorious Tom Metzger and Ku Klux Klan members in the alarming twilight of the Midwest. In The ARYANS Mo questions the completely wrong interpretation of "Aryanism" - a phenomenon of the tall, blond and blue-eyed master race.