"Of all the criminal cases in which Philo Vance participated as an unofficial investigator, the most sinister, the most bizarre, the seemingly most incomprehensible, and certainly the most terrifying, was the one that followed the Greene murders." So begins The Bishop Murder Case. When Joseph Cochrane Robin is found murdered in New York's upper west side accompanied by a note quoting the nursery rhyme "Who Killed Cock Robin", Philo Vance is called in by District Attorney Markham to help the police track down the murderer. But can Vance solve this complex case before Mother Goose claims any more victims?