This is part of the larger Tang Dynasty romance The Bearded Man, about the hero Li Jing. In the story, the girl with the red duster is a singing courtesan in the House of Yang. She sees Li Jing and from his bearing she immediately recognizes his worth and is drawn to him.
唐傳奇的《虯髯客傳》故事裡，司空楊素家裡的歌妓紅拂女，看見前來獻策的布衣士子李靖，深為他的氣度與見識所吸引。