A sudden flurry of movement in the Athenian twilight. A half stifled scream. The full impact of a fatal fall.

Dr Patrick Grant had seen the whole thing - but even he couldn't be sure that he had witnessed a murder.

Then came a second 'accident', in almost identical circumstances. And Grant's suspicion turned to certainty.

Who would want to murder two apparently harmless old ladies. And why? The answer lay in a quiet Hampshire village - where a ruthless killer was already preparing to claim another victim.