A perilous plunge into deeper depths wreaks havoc on Chris McCully's air compressor. Shawn scours foreign ground for gold to keep his operation funded. A faulty sluice box could spell disaster for the Kellys.

Chris McCully pushes his fancy new equipment to the brink. Vernon and his rookie diver clash. A frozen regulator threatens Andy's life. Shawn casts a wide net to get his season going finally.