The Pomrenkes battle land and sea to vie for new gold-rich mining ground. Later, Zeke and Emily risk life and careers in a dangerous boating maneuver; and Kris has one last chance to prove his captaincy and mining skill if he wants to stay in Nome.
An injured Shawn depends on his crew and the mercy of the murky Bering Sea to salvage the empire. Later, Zeke and Emily land on a career-saving spot, but toxic fumes threaten more than their season; and George faces a final dive to determine his fate.
At the mouth of the Penny River, Emily saves Zeke from a generator fire. Later, Kris strikes a devil's bargain with the last willing claim owner in Nome; George loses his ace diver and brings his son, Landen, up to dredge in the dangerous Bering Sea.
Anxious to reverse his fortunes, Zeke undertakes a perilous solo dive. Later, the Kellys risk a 13-mile trip in their rinky-dink dredge; and George is desperate to prove he's a capable diver before his brother leaves Nome.
Shawn pushes himself and his equipment to the limit in his search for new gold. Later, Zeke experiences the dangerous consequences of deeper water at Sledge Island; and the Kellys travel upriver to redeem themselves.
In the Season 8 premiere, the summer-mining season begins with a lack of gold in Nome, Alaska, leading miners to extreme new locations. Later, Zeke travels offshore to Sledge Island; and Shawn attempts to build his empire with a new claim at the Bluff.