Erwin, in his forties, runs a petrol station with his mother in a lost corner of Germany. This withdrawn mother-son couple leads a life without surprise. But feeling his end approaching and ... Read allErwin, in his forties, runs a petrol station with his mother in a lost corner of Germany. This withdrawn mother-son couple leads a life without surprise. But feeling his end approaching and afraid to leave his son alone.Erwin, in his forties, runs a petrol station with his mother in a lost corner of Germany. This withdrawn mother-son couple leads a life without surprise. But feeling his end approaching and afraid to leave his son alone.