Could all of it be a trap? The boat journey, the mayor, the strange figure who told him he was dying? How much are these 'demons' capable of? For that matter, he has no obvious reason to take the masked at her word, but--

No. Siebren takes the woman at her word. He can't afford to doubt what's in front of him, strange as it is.

"Your home may be more secure for this type of discussion. And... quieter, I would imagine."