He stares at her for a long moment, and then blinks, shaking his head slightly.

'I am....' He trails off, then quickly continues, thinking aloud. 'One of us is not where we are supposed to be. This is the greenhouse, no mistake about that. But I opened the door to the Hall, walked inside, and -- now I am not there.'

He peers at Mary curiously, as if seeing her for the first time. 'Who are you?'