The clock ticks as an impending arctic storm gathers strength; Shawn can't quit the gold; Kris gambles on another rookie miner; Emily finds gold but her equipment fails; Vernon risks everything to test Claim 16.
Each season of the show follows a different group of dredgers, those who search for gold in shallow waters, at the bottom of the sea or even ocean. They often collect paydirt, ground from the seabed that contains some precious ore.