When the telephone awakened Thomas at three in the morning, he wasn't expecting to hear the voice of Angela; someone believed to have died five years earlier. Confused and in shock, he reluctantly agreed to fly to Brazil, where he would discover that he was unexpectedly committed to a dangerous rescue mission encompassing Sao Paulo, Curitiba, Rio, Brasilia, and Manaus, culminating a thousand miles up the Amazon River. How many, and whose lives would it cost?