three
o'clock
He drew something from his pocket , and pushed it across the table to her ; and she saw that he had given her two twenty-dollar bills . `` If it ai n't enough there 's more where that come from -- I want you to beat 'em all hollow , '' he repeated . She flushed and tried to stammer out her thanks , but he had pushed back his chair and was leading the way out of the dining-room . In the hall he paused a minute to say that if it suited her they would take the three o'clock train back to North Dormer ; then he took his hat and coat from the rack and went out . A few minutes later Charity went out , too . She had watched to see in what direction he was going , and she took the opposite way and walked quickly down the main street to the brick building on the corner of Lake Avenue . There she paused to look cautiously up and down the thoroughfare , and then climbed the brass-bound stairs to Dr. Merkle 's door .