"That's the secret," Will explained. "I have joined the United States Secret Service, sister mine!"
"Secret Service!" repeated Grace. "What does it mean?"
"It means I'm out for smugglers, counterlaws. So beware!"
CHAPTER VII
THE STORM
For a moment or two the girls did not know whether or not to accept as truth the statement Will had made in such a dramatic manner. Then his sister Grace burst out with:
"Oh, Will, is it really true? Is that the secret you were going to tell me?"
"That's the secret, Sis! Isn't it a good one, and didn't I keep it well?"
"You certainly did, but I didn't expect it would be that. I thought it would be about—about—er——"