"Some one at the hangar to see you, Dave," he reported.
"Who is it, Hiram?"
"He says he's a United States revenue officer."
"Hello!" spoke Grimshaw, "I hope your hydroplane hasn't got you into any trouble running up against the government."
"Oh, I think not," replied Dave with a smile.
"It's a long story and a big story, Dave," replied Hiram. "You know the man you rescued he lake yesterday?"
"Yes, Hiram."
"Well, it turns out that he is a notorious smuggler and the government is looking for him."