‘Gertrude’ – the words, more than usual, made a hollow echo in his head – ‘was it Kaethe’s idea that you ask me to come?’ Gertrude looked at him for a moment. Of course. Of course it was Kaethe who’d asked her, made her promise right before the end. ‘No,’ she said, hoping it would help him. She smiled. ‘It was all my own plan.’