Detective Hercule Poirot, originally from Belgium but now in London, is summoned to France after receiving a distressing letter with an urgent cry for help. Upon his arrival in Merlinville-sur-Mer, our investigator finds the man who penned the letter, the South American millionaire Monsieur Renauld, stabbed to death and his body flung into a freshly-dug, open grave on the golf course adjoining the... goodreads.com