It struck her as odd that Arnold Jacks should request her services in such a matter as this.

In an obscure way she half resented the brief, off-hand missive.

And she paid no further attention to it.
A month later, she, her father and brother, were on their way to Switzerland.

Stepping into the boat at Dover, she saw in front of her Arnold Jacks.

It was a perfectly smooth passage, and they talked all the way; for part of the time, alone.
"I think," said Arnold, at the first opportunity, looking her in the face, "you never replied to a letter of mine last month about a certain private affair ?" "A letter?
Oh, yes.