The story follows Ben (played by Dana Andrews) as he participates in a search through the swamp for Tom Keefer (Walter Brennan), who has been living there undetected for quite some time. When his dog sees a deer at the river's edge and leaps from their boat into the Okefenokee, he ventures off into the thicket to find him. Despite warnings from his father (Walter Huston), he goes after his dog. It’s then that he runs…