We walk through the dark hallway where there are many doors. Each of us goes to one and opens it. But until now these rooms were empty, except for one. This is at the end of the hallway.

"Come on! He's definitely behind that last door!" I tell the others and start running in that direction.

When we reach the door, I grab the door handle and push down. But it's locked. I take a step back. "It's locked," I say. "I'll open it," says Damian. We immediately take a step back and let him go first.

He stands in front of the door and looks at it briefly before...