The Lion's Skin by Rafael Sabatini

My Lord Ostermore, though puzzled, entertained no tormenting anxiety on the score of the search to which Mr. Caryll was to be submitted. He assured himself from that gentleman's confident, easy manner - being a man who always drew from things the inference that was obvious - that either he carried no such letter as my lord expected, or else he had so disposed of it as to baffle search.

So, for the moment, he dismissed the subject from his mind. With Hortensia he entered the parlor across the stone-flagged passage, to which the landlady ushered them, and turned whole-heartedly to the matter of his ward's elopement with his son.