At length she decided that there was nothing to be gained by worrying her. Probably there was some quite innocent explanation, which Roger Kenyon would give her when she returned the wallet - if, indeed, it were his. And yet why had his manner changed so abruptly when he learned that the girl whose hat he had rescued was going to live at Sunset Cottage?

Based on that paragraph can we conclude that this sentence is true?
the girl whose hat Roger Kenyon had rescued was going to live at Sunset Cottage
Yes