Everything in his life was foreseen and predictable. But suddenly the smooth course of his life was interrupted. Someone decided to break the order he had established. Something began to happen in his life - unplanned and unforeseen... Someone invaded his life, violated its confidentiality, its stability and regularity. He felt like he was being watched. Someone appeared, whose presence he had recently begun to clearly feel. Behind your back - when you walked along the long corridor of your office or heading to the car after a working day, outside the window - when you had dinner at your favorite restaurant, among the trees - when you drove up to your house, at the other end of the line - when you picked up the phone.