Three treasure hunters search the Yucatan jungles for famous emeralds hidden in an old temple built for a dangerous snake goddess. When they steal from the temple, they wake up an evil force that kills one hunter, forces another to run for his life, and sends the third back to New York with a terrible curse.

Three treasure hunters named Morgan, Dutch, and Frenchie search for riches in an ancient Aztec city deep in the Yucatan jungle. Morgan's hunger for wealth drives the group into a cursed temple filled with emeralds that bring disaster. When they try to escape, a giant snake kills Frenchie and Dutch dies under strange circumstances. Morgan must confront his wife Marianne, who turns out to be a supernatural being seeking revenge for his wrongdoings. The jungle itself seems to whisper against him as his greed ultimately destroys him.