Tom watched the sun set slowly over the skeletal remains of Brighton Pier. He had spent the day wandering through the narrow lanes of the town, stopping in the curio shops, selecting strange items from dusty shelves. A pocket watch, its mechanism rusted by age and inattention, was warm in his hand. Its smooth surface, touched by a hundred hands, was plain and unadorned. He wondered who had bought it, seen it in the window of a watchmakers, taken it home. Who had carried it in their pocket. Had they perhaps stood at this very spot, looking out to sea,...