Paul remains silent, just standing next to Daryl and watching, fingers twitching like he's willing to grab onto his arm to hold him back. But not quite yet.

"It's not a joke," the doctor says quietly, looking apologetic and inclining his head. "Things have been like this here over a year, but no one's sure exactly how long. It's relatively safe here. I'm sorry that you've arrived like this."

There's a pause.

"My name is Kei."