There's something strange happening inside Buffalo Central Terminal. A group of urban explorers find more than they bargained for.

For a thousand years, the Reapers guarded mankind from the demons that wait in the dark. Now, at the beginning of a new age, the Reapers are betrayed...

Tucker and Hamid are going to be grandfathers for the first time, but only if they can come together long enough to save their first-born grandchild.