“I was trapped. There is a traitor somewhere. It looks as though I am done for. The Germans know me. They will show me no mercy.”

“Surely, it’s not as bad as all that!” exclaimed Frank.

“Worse, if possible,” was the reply.

“But I can’t believe Captain Harwood, an American, would be engaged in work of that sort.”

“Harwood!” exclaimed, the man in the bunk. “A more villainous pirate never lived. I know him of old. I don’t know how he happened to be sailing at this exact time. He certainly is not making this trip on my account alone. He’s up to some other game.”

Frank was struck with an idea.

“But the crew,” he exclaimed. “Can’t we get some help from them?”

“Don’t you bank on that,” was the reply.

“But——” began Frank.

The man in the bunk interrupted.