On 09 April 1965, John Wilkes Booth breaks his leg after the assassination of President Abraham Lincoln. He flees with an accomplice and once in Maryland, they seek medical treatment with the country Dr. Samuel Alexander Mudd that does not know that his patient has murdered the president. Dr. Mudd is arrested by the army for helping John Wilkes Booth and together with seven other suspects, they are sent to court. Dr. Mudd is a scapegoat and sentenced to life imprisonment in the hopeless prison in the Dry Tortugas, in Gulf of Mexico. When the prison is isolated due to a yellow fever epidemic, Dr. Mudd helps the guards and the other prisoners to disease.
—Claudio Carvalho, Rio de Janeiro, Brazil