[In the end they all can trust one another. Whether everyone would actually agree to that, or be willing to do so at all, is another story. Not everyone here is the most pleasant.]
Yes. Now and again there are events, so to speak. Or as the Wardens put it, 'glitches' in the system. Everything from the setting being a great danger altogether, to having our emotions and memories toyed with has happened. Plenty more, too, in the time before I found myself here.