I want to know."

"Well, I've got a bit of a plan," returned the other, "only I should
like to tell it you in private."

"All right," answered the dux; "come on outside. Now, then, what is
it?"

"Why," said Diggory, "it's this (I didn't want the other chaps to hear,
because then it'll prove who's the spy). You say the last time you went
down to throw some crackers over the wall they were all lying in wait
for you. Well, let you and me go into the boot-room when Noaks is at
work there, and pretend to make a plan as though we were going to do it
again to-morrow night; then two of us might go down and see if they're
prepared. If so, it must have been Noaks who told them, because no one
else knows about it. I'll go for one, and Jack Vance'll go for another.
I'll tell him to keep it dark, and you can let us in and out of the
door."

"Oh--ah!" said Acton, "that isn't a bad idea; at all events we'll try
it."

The project was put into immediate execution. That same afternoon, just
before tea, Acton and Diggory discussed the bogus plan in Noaks's
hearing, while Jack Vance, having been admitted into their confidence
and sworn to secrecy, willingly agreed to go out with Diggory and form
the reconnoitering party which was to report on the movements of the
enemy.

"I knew you'd come," said the latter; "and we'll show them what sort of