For a moment, seeing the green-eyed woman behind his eyes, Graham has not been aware of the world around him: the television audience, the studio, the cameras. Graham Harris is a gifted clairvoyant, and during a late-night television interview, he "sees" a murder being committed. He knows that the killer is the man the police have named the Butcher - the brutal slayer of nine young women. Learning of the psychic identification, the Butcher begins to stalk this "witness" to his crime, and traps Harris and his girlfriend at night in a vast forty-two-story business building, hunting them relentlessly from floor to floor...