For twenty years, Mr. Chambers has lived by the clock. His life is a masterpiece of predictable routine: the same walk, the same time, the same silent streets. As a disgraced professor of metaphysics, he has sought refuge in isolation, building an impenetrable wall of habit to keep the chaos of the outside world at bay.
But the walls are beginning to dissolve. It starts with a missing street corner. Then, a vanished shop. Suddenly, the very architecture of his neighborhood begins to warp and tilt, as if the physical world is losing its grip on itself.