Stabbey is completely right with his\her advices - get into the Crow's nest asylum and you will solve how to reach the mysterious hidden rooms in Chanelle's house.
The quest you're talking about with Alzbeta emporium - the way to her hidden entrance in the emporium starts in Crow's nest, but from the sewers smile not from the asylum.

Last edited by Samail; 28/11/10 05:40 PM.
You know, madness is a lot like gravity… sometimes all you need is a little push