Chris McCully and crew hit a paystreak so lucrative they call it "Wall Street." Shawn strikes gold all the way at 40 feet under the ice. Kris and Andy argue over their new underwater gold-getting toy. Vernon's diver faces a possible disaster.

The Kellys quarrel while trying to make their gold-sucking Crawler work. Some anatomical-looking worms in the sea may lead Shawn to gold. Vernon's best laid plans falter as he deals with health issues. Jane receives news of the birth of Emily's baby.