Chronicle of a Latin American Subversive

Plot: 1964, in a Latin American country, a journalist is head of an armed liberation movement that decides to initiate radical actions. His second in command, a farmer, and the other members of the group will kidnap a north american colonel stationed in Venezuela to force his government to suspend the execution of the vietnamese Nguyen Van Troi, accused of trying to assassinate the American Secretary of Defense, Robert McNamara.