When Dr. Ayers uses the DNA of a long-dead alien life-form known as the Sansein, the Last Reaper finds himself caught up in an unprecedented situation. The Sansein, as it turns out, were not as extinct as Ayers originally believed. Possibly benevolent, definitely dangerous - these aliens are bound to react poorly to what has been done with their fallen kin. The life of a Reaper is never simple. The exodus fleet has old enemies that can't be avoided for much longer. But those same enemies have a secret as well...and it just might save them all.