“You have news for him?”

“What makes you think that?”

“I⁠—wondered, that is all.”

Poirot looked across at her with twinkling eyes.

“And now, Mademoiselle, there is much that you wish to ask me, I can see that. And why not? Is not the affair of the Blue Train our own ‘ roman policier ’?”

“Yes, there are things I should like to ask you.”

“ Eh bien? ”

Katherine looked up with a sudden air of resolution.

“What were you doing in Paris, Monsieur Poirot?”