It was not exactly a chance walk.

They had both been up to the orphanage at Hampstead with the reluctant Tim and his brother, to leave them there in good motherly hands till the troubles of infancy should be safely passed.
It was Tim who had insisted on having the escort of both his natural guardians on the occasion; and at such a time and on such an errand Tim's word was law.

So they had gone all four in a cab, and now Raby and Jeffreys returned, and with a sense of bereavement, through the Park.
"I will certainly go and see Mrs Trimble when next I am North," said Raby, "though I wish I deserved half her gratitude." "You deserve it all.

You were an angel of light to that poor fellow." They walked on some way in silence.

Then she said-- "Storr Alley is so different now, Mr Jeffreys.