“Nor what?”

Antony was silent for a moment.

“I didn’t see anything, Bill. Or rather, I did see something; I saw a door in the wall, a cupboard. And it’s locked. So if there’s anything we want to find, that’s where it is.”

“Could Mark be hiding there?”

“I called through the keyhole⁠—in a whisper⁠—‘Mark, are you there?’⁠—he would have thought it was Cayley. There was no answer.

“Well, let’s go down and try again. We might be able to get the door open.”

Antony shook his head.

“Aren’t I going at all?” said Bill in great disappointment.

When Antony spoke, it was to ask another question: