A stockbroker in a small southern town gets embroiled in an insurance scam with a next-door neighbor that leads to multiple murders when a host of other people want in on the plot. Sheriff Thurmond Fowler, the by-the-book town sheriff for over four decades, works earnestly to try and unravel the town’s mystery and winds up getting more than he bargained for.
Deep in the Mariana Sea Trench, a corporate underwater mining complex has been built - an industrial Atlantis. When an accident in a dry-dock chamber kills several miners an investigator is sent to find the cause and immediately finds out that it was not an accident. He becomes caught in the middle of a deadly conflict between the miners and the corporation, and fights to stay alive and uncover the truth.