纳特伯恩学院是一所老牌的尽是男生的寄宿黉舍，因为战时的各种限制，黉舍被告诉另一所黉舍将与之合住。使人震动的是，这是一所女子黉舍。两位校长很快就开端互相竞争，争夺魔法部的上风。可是一两次危急迫使他们合作。

based on a famous stage play and set in the year 1912, an upper crust English family dinner is interrupted by a police inspector who brings news that a girl known to everyone present has died in suspicious circumstances. It seems that any or all of them could have had a hand in her death. But who is the mysterious Insp…