Set in Fallout Shelter A young girl is often seen in a vault and she's feed but that's the only thing the dwellers know about her. They don't know her age, her name, her personality, or even her age. They don't know when she arrived or what she is like. Everyone worries about the young child as she just sits silently. What will they do to find out her name? Will they kick her out or let her stay? Will they figure out where she came from? Who her parents are? Someone deep in the vault, who never goes outside and just watches the dwellers knows exactly who the girl is. Secret is this person is the Overseer and it the mother of this young child.