Chris McCully embarks on a three-person, 15-hour diving marathon while Kris Kelly panics when the Mistress takes on water. Vernon and Emily both try new, unconventional divers. Mr. Gold successfully returns to work on the Myrtle Irene.

The fleet scrambles to get mining before an approaching storm. Mechanical difficulties plague Mr. Gold and Kris Kelly. Chris McCully has a close call while diving. Vernon attempts to get back in the gold game.