A strange prehistoric beast lurks in the depths of the Amazonian jungle. A group of scientists try to capture the animal and bring it back to civilization for study.
A New York City advertising executive goes on the run after being mistaken for a government agent by a group of foreign spies, and falls for a woman whose loyalties he begins to doubt.
A weary gunfighter in 1880s Wyoming begins to envision a quieter life after befriending a homestead family with a young son who idolizes him, but a smoldering range war forces him to act.