"Guess so," Sam says, and they wander over to what looks like the front desk. She barely gets the question out of her mouth when the concierge gives them a set of room keys and a pair of mobile phones, says, "Welcome to the Nexus," and walks away.

"Well, that's... welcoming," Sam says. The room numbers are printed on the room keys, she adds, "I guess we should go check this out?" William squirms to get down, so Sam puts him down, but keeps hold of his hand. Just in case. She doesn't have a bad feeling about this, exactly, but she's still uneasy.