A subterranean nuclear storm erupts during Kill Week, but the real danger may lie within... All eyes are on ONIS Corporation's most mysterious crew member, Boo Wright, after rookie Roy Wilder's first shift as a deep-Earth diver took a strange turn under the veteran's guidance. In the first of many perspective shifts to come, experience the thrill and terror of the world's most dangerous job from Boo's perspective: the harrowing impulses that make him tick above ground, and the secrets he carries below.