An unexpected storm tears through Nugget Creek, causing massive flooding that puts the crew's dive sites and expensive dredges in severe jeopardy.

Facing limited access and mounting logistical issues, Dustin doubles down on his risky plan to use an airboat to reach the remote claim sites.

Dustin and his crew are desperate to reach bedrock, where they believe a life-changing gold deposit is trapped.

Crew leader Kayla Johanson pushes the limits by spending six hours underwater, dredging deeper than any previous dive that season (over 8 feet) to reach the gold-bearing clay layer.