One autumn, Edgar, a 12 year old boy, spends a holiday with his mother at a plush hotel in Switzerland. His father, a busy lawyer, remains at the family home in Vienna. When he sees a stylish motorcar pull up at the hotel, Edgar wastes no time befriending its owner, an amiable dandy. The latter pays more attention to the boy's mother than to the boy himself, and decides to use Edgar to wheedle his way into her affections. When Edgar realises he has been used, he is far from happy...