Ffion hurries down the steps towards the bridge, keeping one eye on the foreigner as he makes his way across, then takes the big spiral staircase down on the other side. She stops halfway across the bridge to check where he's going, looking down just in time to see him stop in a dark alley, flicker - and vanish! For a moment she just stares, mouth open, unable to believe her eyes. But he has definitely gone.
"I knew it!" She probably looks like an idiot, talking to no-one, but she can't hold it in. "Wait 'til I tell Ellis! I hope he comes back!"