As you're packing your things for your departure from Altdorf, you receive a short note delivered by the Light College's staff from your own Order - specifically, from Lord Magister Reiner Starke, asking for you to drop by his office at your convenience. That he specifies his office instead of a more general meeting indicates it's on the business of his office, and it's rarely a good sign for anyone to receive an unexpected invitation to the Porter's office.
You suppose this was inevitable, you tell yourself after running through the first dozen disastrous scenarios. Getting entangled in the business of other Orders would always mean more eyes on you, and eventually those eyes would find something of some shade of untoward. That you received a polite invitation at a reasonable hour indicates that whatever was turned up wasn't too bad. That rules out the Liber Mortis, the former Empress, and probably the current Empress. That just leaves... well, a lot of things, none of which strictly wrong, but lots that could look bad if stumbled over by someone unused to the shades of grey that your occupation requires. The embezzlement would be the most uncomfortable possibility, you suppose. Oh. No, actually that is a very distant second. The Underwear Incident, that would absolutely be the most uncomfortable. Then there's involvement with various frowned-upon groups - thieves, tricksters, spies, radical sects, merchants. Dubious experimentation that you weren't ever explicitly cleared for. Involvement with foreign magic-users. Encounters with the forces of Chaos...
You suppose the whole Only Mork thing might also be a possibility. But while it is the sort of thing that would raise a great deal of questions, only five other beings know about that and you can't really see any of them gossiping to the rumour mill of the Colleges about it.
Well, you could think yourself in knots for hours going over the possibilities, but the only way to get an answer is to go to the meeting.
You reconsider that last thought, and mentally edit it. The only way to get an answer, excluding methods unacceptably likely to cause even more trouble, is to go to the meeting.