“Correct.”

“Forget, for the moment, all that has passed.”

“My mind is a blank.”

“I have just returned from an interview with the inspector. He is bothered with rats.”

“And he wants you to transform yourself into 'rough-on-rats,' and exterminate them.”

“Exactly. A man named Gregory lost a steel casket from his yacht Twilight.”

“By Jove! You mean Big Jap Gregory, don't you?”

“Yes.”

“I know him. He's from Nevada. Knew him when I was a kid. He's a bad egg, if I'm not greatly mistaken. I worked for him once.”

“Tell me what you know about him.”