Trevian's half of the cure slowly erodes his body. His senses are waning. Healing requires more and more time. Then there's those pesky violent tendencies.

They finally discover the location of Sampson's base. The architect of humanity's demise. The one person capable of stabilizing Trevian's condition.

If only he weren't residing in a fully fortified bunker, tucked well out of reach. How can Trevian and his friends hope to survive against such insurmountable odds?

Saving what remains of humanity is close at hand, assuming Trevian lasts that long.