All Mara Shaw ever wanted was to be a physicist and use her incredible gifts to give the world a reason to hope. Constructing GRASP to harness the solar winds, Mara and her team find themselves on the cusp of a breakthrough in free energy—enough to power the world forever. Yet Mara got more than she ever expected, opening a doorway to an unfathomable mystery and answering the most fundamental questions in human history. Are we alone? Is this existence all there is, and what is the price of free energy?