Marlene Dreyfus, an expert technical writer for a cutting-edge Phoenix aerospace firm, is drawn into a maelstrom of terror when her colleague Sam Garfield is found dead in a company hallway. Sam is covered in blood, with a huge knife sticking in his back. Everyone is under suspicion as Security starts to investigate. Why was Sam Garfield killed? Was he involved in industrial espionage? Was he selling high tech secrets to foreign agents? Or had he uncovered the real perpetrator? Who will be next? Marlene and her colleagues start looking over their shoulders-and at each other. Marlene is...