Lannigan and the man in his shirt sleeves were in close conversation. “That man in his shirt sleeves,” said the man, who had entered with Chick and Patsy, “is Dempsey. The man he is talking with is a rounder downtown--a swell gambler. I don’t know what his name is.” While the three stood at the bar drinking, Lannigan and Dempsey arose from their seats and, leaving the others at the table, passed through the door near them, the door being closed after them. Some minutes passed and then the other two men also passed through the door, this time leaving it partly ajar. Chick and Patsy exchanged glances and, by moving about the room, managed to get to the rear of it without attracting attention. Standing at the other end of the bar, they ordered more drinks, and as they were served, several entered from the street and claimed the attention of the barkeeper. Chick seized the opportunity to open that door and saw that it opened into a little courtyard on which the rear building was and that the lower floor of that rear building seemed to be a private stable. He saw also that there was a winding iron staircase from the courtyard to the balcony or bridge, connecting with the house in front, so that access to the rear building could be obtained from that courtyard. He came back and said to Patsy: “Patsy, I think we ought to make a break for that rear building. That’s where Lannigan and his party have gone.” The man with them overheard the remark and said, warningly: “Easy goes in this place.” Neither Chick nor Patsy understood his meaning, but were satisfied that the man knew more of the place than he had been willing to tell them, though he did not seem to be a friend of the house. Disregarding his warning, whatever it was, they passed through the door. They had hardly gotten into the courtyard when they saw Dempsey and Lannigan with the others behind them, appear on the little bridge above them. At the same moment, the large doors of the lower floor of the rear house were thrown open and a man appeared before the two detectives, who said: “What in creation are you doing here?” “Only looking around,” said Patsy. “Well, look around somewhere else,” said the man. “What is it, Tom?” asked Dempsey from the bridge. “Oh,” said Chick, “he’s growling about our coming out here.” “Well,” said Dempsey, “what are you doing there?” “Nothing,” replied Chick. “We went out of the wrong door and are going back.” Followed by Patsy, he returned to the saloon. Once inside, Chick whispered to Patsy: “Did you know that man in the stable?” “No,” replied Patsy. “It’s Tom Driscoll, an old New York crook. He hasn’t been long out of Sing Sing.” They went to the bar again, where their acquaintance of the day was yet standing, and ordered some more drinks. Dempsey and Lannigan came in. “At ten to-night, you say?” asked Dempsey. “In a close carriage,” was Lannigan’s reply. Chick gave a signal to Patsy and walked out into the street.