The child enters the dining room, his little schoolboy feet in socks and shoes visible from where Nancy is still under the table: "Mummy? Where's my mummy? Mummy?" An apple falls out of Nancy's bag; the child bends down to pick it up. Nancy tries to run, but the child spins around and points at the door, which slams shut against Nancy's attempts to open it. Still pointing, the child stares at Nancy: "Are you my mummy?" Something has happened -- something in his voice, or in the way he's standing.
Rose is bent over one of the bodies, examining it, when it suddenly sits up. It's no less frightening this time when they all do the same, and Rose jumps back. The bodies all start saying, "Mummy?" And they begin to stand.
Nancy backs away from the child, begging him to recognize her: "It's me. Nancy!" Not Mummy. Nancy.
The gas masks crowd in on the Doctor, Rose, and Captain Jack, and the Doctor warns them not to touch the bodies. What will happen? "You're looking at it." They come closer and closer. "Are you my Mummy?"