The team investigates a large wooden shipwreck that could be one of the Bermuda Triangle area's earliest victims: the long-lost SS D.H. Mount. Just six months after the end of the Civil War, the Mount departs New York with 22 pro-Union politicians charged with rebuilding the post-war political structure of Confederate Florida. The ship vanishes in a stretch of water that will later be recognized as the Bermuda Triangle. The politicians had all received death threats ahead of the voyage. The wreck shows signs of a fire. Were diehard Confederate saboteurs to blame or could a steam engine explosion explain the damage? Or did an anomaly of the Bermuda Triangle doom this ship? The team recovers a series of artifacts that they hope will tell the tale...