As Dr. Marina Singh embarks upon an uncertain odyssey into the insect-infested Amazon, she will be forced to surrender herself to the lush but forbidding world that awaits within the jungle. Charged with finding her former mentor, Dr. Annick Swenson, a researcher who has disappeared while working on a valuable new drug, she will have to confront her own memories of tragedy and sacrifice as she journeys into the unforgiving heart of darkness.