The Kellys unveil their secret gold mining weapon. Chris McCully's hot paystreak continues. A scary close call forces Zeke to adjust strategy. Jane butts heads with her crew as tensions boil over. Shawn discovers a hidden treasure at the bottom of the Bering Sea.

Jane clashes with Emily's crew over being disrespected. Equipment failures cause delays for Chris and Shawn. Kris is thrilled to find his Crawler in action. Pressure ridges cause one close call too many for Zeke and his crew.