In an age when gene-editing technology is freely available, genetically modified people are like drops of ink, polluting the once-pure human gene pool.
A silent viral crisis wipes out everyone except unmodified natural humans. The survivors gradually unravel the shocking mystery behind it all.
Was the zombie disaster divine punishment from above, or a calamity caused by humans?
Awakened survivors band together to protect humanity's last hope. Should they set off on an interstellar voyage, or stay behind and fight the zombies to the death?
Crystals imbued with the power of souls may hold a secret that could offer a solution.
With zombies constantly evolving and multiplying, survival becomes the survivors' first priority.
