Shawn and Vernon embark on a harrowing rescue mission on a stormy Bering Sea. Mistress problems force Kris into limp mode. Zeke relaunches the Havilah with a wild crew.

A key crew member abandons Kris as he tries to hold onto the Mistress and stay out the longest. Shawn fights to retain his crown as the Gold King of Nome. Zeke and crew have a bro-down on the Havilah. Emily and Vernon's crews vie for a strong, lucrative finish to the season.