I am stuck, I talked to Gianna in the kitchen But when i did, her dialog had no sound and the subtitles for what she was saying were sped up. I got through it, added the poison and we started walking to the room where the emperor is. When we get to the door, the dialog inside the room starts but the door stays locked & can't be picked, and Gianna just stands at the door, and when i try to speak to her nothing happens. I have tried restarting, reloading, going back. I did all of Nazim's contracts. I am not sure how to fix this glitch and i haven't read about anyone else having this same issue.