Traveling from London to Greenland and on to Norway, Wade follows the trail of an unknown sea monster; fishing through ice to extreme depths, he attempts to reel in this monster before the full fury of an Arctic storm hits.

On the tropical island of Sulawesi, Indonesia, a tourist snorkeler and several local fishermen have been killed and injured by a mysterious sea creature that impales its victims; Wade investigates; live Q-and-A to follow.