overheard. What is he to do? He does the natural thing, the thing which Mark would always do in such circumstances. He consults Cayley, the invaluable, inevitable Cayley.
"Cayley is just outside, Cayley must have heard the shot, Cayley will tell him what to do. He opens the door just as Cayley is coming to see what is the matter. He explains rapidly. 'What's to be done, Cay? What's to be done? It was an accident. I swear it was an accident. He threatened me. He would have shot me if I hadn't. Think of something, quick!'
"Cayley has thought of something. 'Leave it to me,' he says. 'You clear out altogether. I shot him, if you like. I'll do all the explaining. Get away. Hide. Nobody saw you go in. Into the passage, quick. I'll come to you there as soon as I can.'
"Good Cayley. Faithful Cayley! Mark's courage comes back. Cayley will explain all right. Cayley will tell the servants that it was an accident. He will ring up the police. Nobody will suspect Cayley—Cayley has no quarrel with Robert. And then Cayley will come into the passage and tell him that it is all right, and Mark will go out by the other end, and saunter slowly back to the house. He will be told the news by one of the servants. Robert accidentally shot? Good Heavens!
"So, greatly reassured, Mark goes into the library. And Cayley goes to the door of the office.... and
