The absolute truth as to why and how everything exists. And then to find out if we could live for eternity after we die with no more sickness, death or aging to worry about. The truth is out there in space and I sure wish we could find it.
lister kryten and the cat aboard red dwarf
Shadow versions of ourselves, sworn to kill the replicant or die in the attempt.
That sounds like a great book, to turn into a lame straight-to-dvd movie.