They were soon at the pier, and the three landed.
"Where do you live?" asked Luke, taking his position beside the young man.
The latter named a number on Vine Street. It was at a considerable distance, and time was precious, for the young man was trembling from the effects of his immersion.
"There is no time to lose. We must take a carriage," said Luke.
He summoned one, which fortunately had just returned from the pier, to which it had conveyed a passenger, and the two jumped in.
Luke helped him up to his room, a small one on the third floor, and remained until he had changed his clothes and was reclining on the bed.
"You ought to have some hot drink," he said. "Can any be got in the house?"
"Yes; Mrs. Woods, the landlady, will have some hot water."
Luke went downstairs and succeeded in enlisting the sympathetic assistance of the kind-hearted woman by representing that her lodger had been upset in the lake and was in danger of a severe cold.
When the patient had taken down a cup of hot drink, he turned to Luke and said: "How can I thank you?"