Albert (Michel Galabru) is fired from his company, although he is a brilliant computer expert. But now he sits around at home, in a flat with his niece and her husband, falls more and more into alcohol and increasingly loses his sanity. After some time, when he has finally succumbed to madness, he begins to focus his abilities on a murderous plan. Albert develops a technology that allows him to send lethal rays through television cameras without even having to be there. He uses this technique to kill television presenters live on screen, one by one. The police put Inspector Romain Pascot (Richard Bohringer) on the case, and soon the noose seems to be tightening around Albert’s neck…