Vaughn Singleton never imagined that a routine visit to NASA's most secretive facility would thrust him into a nightmare. Trapped in a world where all of humanity has vanished, Vaughn struggles to survive, haunted by the cryptic message he received moments before the world went dark. Somewhere out there, alone in the vastness of space, astronaut Angela Brown witnesses the same devastating event-a life-stealing wave of light originating from CERN's Large Hadron Collider. As Vaughn crosses a desolate Earth, fighting off depression and alcoholism, his unexpected discovery of Angela's survival on the International Space Station sets off a daring plan. Against all odds, Vaughn races to reach her, soaring into space with a hastily retrofitted craft that's barely spaceworthy. But even if they can make it back to Earth together, the mysteries lurking beneath the surface are far from solved. What wiped out humanity? Why is gravity itself behaving strangely around Geneva? And what are the ominous structures rising ...