As an arctic blizzard wreaks havoc across Nome, Kris finds gold under the ice but fire erupts overhead.  Shawn struggles to rescue his operation. Emily risks it all on a double dive and Vernon leans on a diver making her comeback.

As the miners rush to solid ground before the ice vanishes, Mr. Gold outlasts the fleet to secure TOMCOD. Kris assembles a makeshift operation. Emily rolls the dice on one last dive and Vernon hightails it to land on dangerous ice.