Visiting hours were over and the Jeffrey Long museum in San Francisco was quiet. In the private office of the owner Jeffrey sat at his desk staring at the note in his hand; a note that was damp with his own perspiration. The hands trembled, as there was a tight nervous feeling in the pit of his stomach, symptoms of terror. It had all started three months ago when Jeffrey Long had received the first envelope when in Cairo. Then followed days and weeks of mounting fear because each Saturday thereafter, like a gentle stabbing before the final thrust, came an identical note and the message was always the same, "If you've killed Estelle you will die on the anniversary of her death." And tomorrow, Sunday the 17th, is the anniversary of Estelle's death...