Gold miners Dakota Fred and his son Dustin are back – returning to McKinley Creek Alaska, determined to make a fortune no matter the risk. But to find the big gold payout, they’ll put their lives on the line by diving deep beneath the raging waters of one of Alaska’s wildest creeks. 　　S4 E1 - Come Hell or High Water 　　S4 E2 - Good as Gold 　　S4 E3 - Swallowed Up 　　S4 E4 - Enter the Mamm... (展開(kāi)全部)