Once Upon a Time (DWS short story)

Summary
The children of a quiet village begin disappearing until only two, Brynn and Lissa, are left. When Lissa disappears as well, Brynn sets off to find her, and meets a mysterious man with a blue box...

Characters

 * The Doctor
 * Brynn
 * Lissa
 * The Mountain

Continuity

 * The Doctor appears to be travelling alone in this story.