Marcus Hallum found both when he died prematurely, but neither was expecting him. Clearly, someone had made a mistake and no one was yet ready for Marcus to shuffle off the mortal coil... and neither Heaven nor Hell was prepared to take the chance of accepting someone for all eternity who had not been properly tested on Earth to determine whether he was really good or really bad. And, for similar reasons, neither Limbo nor Purgatory seemed appropriate, either.

The solution was clear, although somewhat unusual: Marcus would be returned to Earth for just a hundred days, and tested thoroughly to determine his proper domicile for the rest of Eternity.

But, of course, it was never going to be THAT simple...