“Ah! Do you think I am going to bother myself about such a silly story as that!”

“How much do you ask to pass tomorrow night in the castle?”

“Not a sou. Now, leave me alone.”

“Name your own price. I am rich and can pay it.”

This offer disconcerted Ganimard, who replied, calmly:

“I am here on a vacation. I have no right to undertake such work.”

“No one will know. I promise to keep it secret.”

“Oh! nothing will happen.”

“Come! three thousand francs. Will that be enough?”

The detective, after a moment’s reflection, said: