"Hmm. I guess... Lizzie," he says, crossing to the door. He opens it and beams. "And I'm right! Hello, come on in," he says.

He steps back to let her in, peering down the corridor to see Martha walking towards them. He waves at her and steps into the room, but doesn't close the door.

"Though Martha's on her way now, too."

He looks around and grins. "You all set?" he asks Lizzie.