When a researcher from the University of Iox goes missing and the only clue is a brooch carved in Ancient, translator Aliya Elasra and her robot Six are sent out into the Nebula to bring him back, only to stumble upon a deeper secret concerning the fall of a once-great Empire.
But history in the Nebula is a Loop, and all that has happened before will happen again. And what is buried can always be brought back into the light…
What will be found? What will be lost? Is the Loop real? And what lies in Heaven’s Vault?