Congo

While searching for rare blue diamonds that could lead to a new revolutionary communications laser, TraviCom employees Charles Travis and Jeffrey Weems discover the ruins of a lost city near a volcanic site in a remote part of the Congo jungle. While following their progress at headquarters, Charles's ex-fiancée Dr. Karen Ross and Charles's father and TraviCom's CEO R.B. Travis lose contact with the team and activate a remote camera, discovering the camp destroyed with numerous corpses, as well as a savage, ape-like creature that destroys the camera. Travis asks Karen to lead another expedition to the site.