The film documents the events that saw a French Captain, Alfred Dreyfus, sent to Devil's Island for espionage near the end of the 19th century. Colonel Georges Picquart (Richard Dreyfuss) is given the job of justifying Dreyfus' sentence. Instead, he discovers that Dreyfus (Kenneth Colley), a Jew, was merely a convenient scapegoat for the actions of the true culprit, a member of the French General staff. His attempt to right the wrong sees his military career ended and the famous French author, Émile Zola (Martin Friend), found guilty of libel for publishing his 1898 open letter ''J'Accuse…!''.