"Oh, a sort of club-house. A lot of different Chinese clubs meet there. There is a big restaurant on the ground floor; there are opium joints and fan-tan joints in it."
"Same place," thought the old detective. "But where are the dungeons of this House of Delights, I wonder?"
"Can you find out in just what part of the house the doctor has Miss Montgomery concealed?" he asked.
"Listen here," replied the woman. "The only thing I can do is to see my aunt and tell her that you have promised to aid me. She hates my husband as much as I do. Still, you know how helpless Chinese women are, so just what she will do I cannot say.
"But we must not be seen together on Chinese alley, Mr. Brady. Where can I find you? Appoint a place."
"How long shall you probably be gone?" asked the old detective.
"Not over half an hour. I will keep on the block on the Dupont street side. Meet me there."
They parted at the alley, Old King Brady pushing on to Dupont street.
He had scarcely turned the corner when he ran into Detective Leggett.
"Well?" he demanded. "What about Volckman?"