Fifteen thousand feet below Funeral Mountain, Connell, Veronica, Mack, Lybrand, Sanji, and O’Doyle are heading even deeper, trying to reach the Dense Mass Cavern and find a way out of their living tomb. They have found strange signs that say Killroy Was Here, but who made them? In this episode, the crew hits an obstacle they never expected. Up on the surface, Kayla Meyers has discovered that Angus Kool and Randy Wright are alive and in the hospital. They are two more loose ends; ends that she is about to eliminate.