Alice ran away. As fast as she could to make sure that Nacht wouldn't catch up with her. Eavesdropping in this palace got you further than any research would. She thought before she locked herself in her room, in need of some space to think. He had just killed this man, without not even blinking once, he had threatened his family and made his confess something the girl never believed would hear.
The man who wanted Nacht dead was his own brother. To add to that the assassin had called him a traitor. The man who had brought her into this castle, the man who had helped her was labeled as a traitor and judging from his expression he didn't seem to mind the comment.