In between the Earth and the sun floats the world of Enigma. Created as an outer space bunker and led by Captain Nicholas Swift, it now is home to the descendants of those who improbably survived nuclear war. It is a world that demands equal contributions from each of its inhabitants in order to support its mantra of Longevity, Ingenuity, Fertility, and Equality-the pillars of LIFE. This is the world in which Genesis Velorum exists. She and her family are privileged due to superior genes. Her best friend, Warble, however, has been labeled a UFB: unfit for breeding. They are inseparable until their paths split when Genesis turns seventeen and faces a mandatory decision about how she will contribute to Enigma. Will she choose what her mother considers the safe option, or will she risk embarking on a space mission, leaving behind the only world she has known? Although her options are already limited, she quickly learns there are higher forces at play that may make the choice for her...