A ruthless serial killer commits a series of heinous crimes in the murky environments of a big city. A television journalist in search of a scoop, married to a beautiful stewardess, investigating in that particular world, knows a "life guy" with whom he establishes a friendship that is perhaps too "profound". An incredible succession of twists will lead to the identification of the unexpected murderer, but above all the investigation will make the protagonist discover disquieting dark sides of his personality .