John Huston narrates this documentary about the government investigation of alleged Communist infiltration of show business. Includes interviews with Ronald Reagan, Dalton Trumbo and Gale Sondergaard.

The effects of McCarthy era in the movie industry are examined in this documentary. Victims of the House UnAmerican Activities Committee and the blacklisting that ended so many careers are interviewed. But the primary focus of the fim is the "Hollywood Ten" a group of writers and directors who were imprisoned because they refused to answer the committee's questions and name names.