John Rutherford, bookseller and sometime fiction writer, discovers the bludgeoned corpse of a policeman one evening while taking a stroll in a rainstorm. The policeman's overturned bicycle is what first catches Rutherford's eye. Then he sees Officer Johnson's body sprawled on the sodden ground of Phantom Coppice. Rutherford takes Johnson's bike and pedals to rural Paulsfield police station, two miles away, to report the crime. There he finds Sgt...