So what would have been the point of a secret meeting?
Why should they want to have a secret meeting in the middle of the night?
"But how did he find out about the secret meeting?"
"Can you suggest a good place for us to hold a secret meeting?"
He goes to a secret meeting in the dark woods.
He'd heard about the secret meetings being held in the doctor's home.
It's supposed to be a secret meeting, but we all know about it.
Figure out a way to find those secret meetings and record them.
It would be an ideal place for a secret meeting.
So he merely said that this was to be their last secret meeting.