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.

Birthday boy Shawn Pomrenke boldly moves back to Tomcod. Fed up with a faulty sluice box, the Kellys resurrect an old piece of equipment called "The Coffin." Zeke finds a reef that could yield some great gold, and Chris McCully plans a marathon dive.