The body was on the pointed rocks alongside the stream. The artist might have fallen from the cliff where he was painting, but there are too many suspicious elements -- particularly the medical evidence that proves he'd been dead nearly half a day, though eyewitnesses had seen him alive a scant hour earlier. And then there are the six prime suspects -- all of them artists, all of whom wished him dead. Five are red herrings, but one has created a masterpiece of murder that baffles everyone, including Lord Peter Wimsey.