Romancing the Stone is a 1984 romantic comedy-adventure film directed by Robert Zemeckis, written by Diane Thomas and produced by Michael Douglas, who also stars in the film alongside Kathleen Turner and Danny DeVito. The film follows a romance novelist who must venture beyond her New York City comfort zone to Colombia in order to save her widowed sister from criminals who are holding her for ransom. Thomas wrote the screenplay in 1979.
https://en.wikipedia.org/wiki/Romancing_the_Stone