Deep within the Brazilian rainforest lies a secret of incalculable value to mankind. Robin Monarch must locate and extract this enigmatic treasure: not for greed or gain, but because a life is at stake. Sister Rachel Diego del Mar, the missionary who saved Monarch's life when he was a homeless orphan, has been kidnapped by a vengeful past adversary. If Monarch does not give his enemy the Amazon's secret, they will take her life.