Mercy in the Shadows: From the Journals of Samantha Bloodworth (Walking on Mars Serial 9)

A frantic radio message comes into the McMurdo base in Antarctica from a group of terrified people claiming to be trapped at an old military installation on the coast.
A search team is quickly assembled. Thinking there is a story there, journalist Samantha "Sam" Bloodworth talks talks her way onto the mission. Once the team arrives at the coast, they discover an old WWII submarine pen–but no one is there. Soon the search team finds themselves trapped inside–along with piles of skeletons, left to die decades ago.