“I hurried along right away. Beresford was there. He pointed out the crooks. The big one was mine, the guy you bluffed. Tommy shoved a ticket into my hand and told me to get aboard the cars. He was going to sleuth the other crook.” Julius paused. “I thought for sure you’d know all this.”

“Julius,” said Tuppence firmly, “stop walking up and down. It makes me giddy. Sit down in that armchair, and tell me the whole story with as few fancy turns of speech as possible.”

Mr. Hersheimmer obeyed.

“Sure,” he said. “Where shall I begin?”

“Where you left off. At Waterloo.”