creature; and all that is possible must be done. I shall never rest happily if through any failing on my part he suffers as you fear.’

‘I shall do all I can,’ he said with equal earnestness, touched with her eager pity. ‘And I shall not trust myself alone, if any other can be of service. Depend upon it, Lady de Lannoy, all shall be as you wish.’

There was little sleep in the Castle that night till late. Mr. Hilton slept on a sofa in the Queen’s Room after he had administered a narcotic to his patient.

As soon as the eastern sky began to quicken, he rode, as he had arranged during the evening, to Dr. Winter’s house at Lannoch Port where he was staying. After selecting such instruments and drugs as he required, he came back in the dogcart.