Kris mines an undersea trench, but a cave-in of rocks threatens his life, pinning him to the seafloor. Desperate to find a patch of career-saving gold, Shawn follows a hunch to deeper ground.
In the midst of the season-ending storm, Emily plays chicken with Mother Nature, but may lose her diver in the process. Ken pushes the Myrtle to its max. Elaine proves herself to Vern by calling the shots.