When Sandy Campbell's body is found at the foot of a cliff near the small town of Kirkcudbright, the local constabularies are convinced that the argumentative painter is a victim of a tragic accident. But when Lord Peter Wimsey turns up, the hunt begins for an ingenious killer. Faced with six men, all of whom have a motive for murder, the aristocratic amateur sleuth must deduce which are the five red herrings and which has blood on his hands.