Student nurses join some doctors to work in a medical station a few hours flying-time from the Mexican town of Catamaco. One of their planes goes down due to an engine malfunction and crashes in the rain forest. This is the story of the attempts to save the lives of the passengers (both nurses and doctors).
Mark Schall kills his mother-in-law and wounds his father-in-law in the middle of the night, then turns himself in. He claims, however, that he cannot remember the crime itself. His defense team finds evidence that suggests the crimes were committed while Mark was sleep walking. They build their defense around this theory.