Escape from Devil's Island #nn

Convicts imprisoned on Devil's Island in French Guiana attempt a desperate escape when they discover they are trapped by their captors. After being surrounded in the jungle and brought before the camp chief, they learn they are wanted for an unstated reason and are forced to return to the prison. One prisoner devises a plan involving an iron bar, identifies a traitor named Michaud working in the hospital, and plots his revenge while plotting another escape attempt.