After Hildegarde proves that the accidental riding death on a Central Park bridle path is really murder, she's faced with a plethora of red herrings and a real killer.After Hildegarde proves that the accidental riding death on a Central Park bridle path is really murder, she's faced with a plethora of red herrings and a real killer.After Hildegarde proves that the accidental riding death on a Central Park bridle path is really murder, she's faced with a plethora of red herrings and a real killer.