The Vivero Letter
"Ambition is good; greed can kill you."
A man in Central America finds his brother's murdered body. It turns out that his brother has been murdered because he knows the whereabouts of a lost city in the jungle. The man teams up with a search expedition and goes off to hunt for these ancient ruins. Unfortunately, almost every member of the group has plans to double-cross the others. All is resolved in bloody fashion in the middle of the jungle wilderness.
Genres: Adventure
Directors: H. Gordon Boos
Writers: Arthur Sellers, Denne Bart Petitclerc, Desmond Bagley
IMDB: tt0159103