Mr Trewitt was a city clerk, and at thirty years old, he already growing corpulent. Mr Trewitt, it appeared, was not likely to be among the world's successors, but by hard application he had won for himself a certain reputation among his cronies. A reputation of being a humorist. He was also a practical joker, of the feeble, obvious, cruel kind that might be expected from a man of his mentality...