Mr. Chambers, once a professor of metaphysics, had for the twenty years since his dismissal lived a reclusive, solitary life, only venturing outside his room for his daily walk and cigar. Then one day, inexplicably, he forgot to buy the cigar, the walk took fifteen minutes less.Determined to make sure he doesn't make the same mistake again and miss the street where he buys his daily cigar he sets out the next day. Then the truth hits him - the street isn't there anymore.