Yeah, they mostly want to talk to her because the investigation is going no where and there's this one really interesting person staying right in the middle of the mystery. It seems obvious that she's tied into it.
Having them break into her room actually works fine. After all, she is supposed to be suspicious of them. So this just gives her a really good excuse to assume they are agents of the Black Cowl.
I've actually written some new parts for the campaign after the garden party to give the players some more avenues of investigation and to build up to Book 2.
There is a corrupt city watch member. He can be put into any suspicious activity where the watch does not step in to hinder the Black Cowl. For example, letting the cart with stolen gun powder roll into the city without question.
He also stole a stamp from the watch-seargants office which was then used to create the fake letters and notices used to shut down the tanneries.
He was getting bribes from "Kneecap Karl" who is grumpy that Bischoff has been put in charge, since he earned that place before the Black Cowl came along.
So if they follow the money to Kneecap Karl, he might divulge where Bischoff has his hideout and can inform them of a meeting planned that night between Bischoff and someone "dangerous". (With the skaven, to get the bell clapper, but Karl doesn't know that.)
At Bischoffs place, they find everyone dead after a fight. Bischoff is tied to a chair in the basement, tortured to death. Adele Ketzenblum got here first. If they check the pieces of skin next ot his partially flayed body, they find the dolphin tatoo.
At the meeting place, the skaven stay away so it's just Adele Ketzenblum with a bunch of sigmarite fanatics and the party. Adele will probably assume the player characters are who Bischoff was meeting. If they manage to talk their way out of it Adele will comment that they should leave this to professionals and stay away from the docks when it rains (yes, heavy handed hint, but seriously I am suspecting my players might be developmentally challanged :P)
(Btw, in my version Adele is NOT a member of the Jade Scepter. Seriously, there is WAY too many cults in this campaign. And neither Adele or the Purple Hand guy needs a cult. She can easily have sigmarite fanatics and he can have mercenaries.)
Edited by Ralzar