When one of their number disappears on the same day that an American girl joins their ranks, a group of English boarding school students embarks on solving a mystery.

girl from the United States Nina Martin ( Nathalia Ramos, ornaments ) to leave her grandmother , to a British boarding school , was admitted to an already nearly a hundred years the history of the old houses - Anubis apartment . She just stay at school named Joy girls mysteriously been picked up , the school has deliberately blocked the message , who do not know in the end is why . The Joy of beds in the apartment assigned to Nina . Joey 's roommate and good friend Pa Patricia to see Joey Nina replaced the heavy heart to have doubts , determined to get all this get to the bottom . At the same time , Nina met an old woman in the apartment door , a mysterious ornaments from her . On the ornaments of the secret, hidden in the attic of the apartment building . Harsh House tube Victor shift the attic as the absolute prohibition of students into the forbidden ... this old house , in the end what kind of secret hidden ?