Holmes unfolded the note carefully and spread it on his Knee. He took a magnifying glass out of his pocket and examined the paper.
'This paper was made in India, he remarked. Have a look at it, Watson. ' I took the note and studied it carefully. The paper was thin and old.
' It looks like the plan of a large building, I said. But what are these names at the bottom? And what is the meaning of- " The Sign of Four"?
' I don't understand what this note means, said Holmes. But it might be important.
There were many people outside the theatre. The letter had told us to stand outside on the left. We waited. Suddenly a small dark man appeared.
'Are you Miss Morstan and her friends? he asked.
'yes, She said
'you must promise me that these men are not policemen, said the stranger.
'Thery are not policemen, replied Miss Morstan.
'Then come with me, said the man.
He led us quickly across the street to another cab and opened the door. We went inside. The man closed the door and jumped up onto the driver's seat of the cab. The horse moved off quickly