Unknown World

A depressed 7 year old girl, name Karla Garcia, had friends in past, but doesn't want any now, since she say, "there fake", but once she enters this secret door, in her new house, that was like a mansion, she meets these oddly looking people, with her brothers also, but then those odd people, trick her later on, by trying trap her like they did to this huge other family in the past. Will Karla escape or stay in that world forever?