What if, by trying to save a world that did not need saving, we accidentally destroyed it? Three hundred years after the destruction of the earth's surface by man's attempt at playing God, James and Lee, two post-apocalyptic, subterranean librarians, finalize their plans to travel back in time and correct all the mistakes of the past. Just one thing is keeping them from fulfilling their dreams of time-travel redemption--someone or something is stealing the town's most valuable possessions. As the town librarians, it is their duty to solve the mystery, retrieve the stolen items, save the Sacred Napkin, and drink as much tea as possible, all in one day, before attempting to rip a hole in the fabric of space and time to save the planet.