Andrea Bayard

When American private eye Steve Marshall receives a mysterious summons to the sweltering streets of São Paulo, the mission seems clear-cut: find Louise Dunning, a woman on the run for the murder of her husband. But in the shadows of Brazil, nothing is as it seems. As Marshall closes in on his target, he begins to realize he isn't the one leading the hunt.. he's being steered.

Rock and Dr. Andrea travel up the Amazon to find out why the plantation workers have left their work in panic, allegedly because of attacks from Curucu, a monster who is said to live up the river where no white man has ever been before...

A group of explorers travels the unexplored regions of the Amazon.

Marcos finds Julia on a barren road and offers her shelter in a mansion belonging to his mistress. He discovers that she is running away from a psychotic husband and falls madly in love with her. When the caretaker of the mansion discovers a ransom is being offered to whoever finds the young woman, he tells her whereabouts to the husband, who ruthlessly pursues the pair.