An urgent cry for help brings Poirot to France…

An immediate cry for help brings Poirot to France. But he will come too late to save lots of his customer, whose brutally stabbed body right now lies encounter downwards inside a shallow grave on the golf course.

But why is the dead guy wearing his son’s overcoat? And who was simply the impassioned love-letter in the pocket for? Before Poirot can response these questions, the case is turned ugly by the breakthrough of a second, identically murdered corpse…