Congo

Based on the novel by Michael Crichton, Congo involves an expedition sent into the jungles of Africa to discover the cause of the violent end of a prior expedition that sought to find a lost diamond mine. Dr. Karen Ross (Linney), former CIA agent and scientist, joins a team that is entering the jungle to return Amy the gorilla to her native habitat. Amy had been used in a study researching primate communication and she can actually talk using a special device that translates her sign language into speech. Mysterious treasure hunter Herkermer Homolka joins in believing Amy is the key to discovery of the lost city of Zinj and the diamonds.