 She confirms that the Mariell siblings are indeed dead and that their ghosts will do anything to keep Nanny Tess and David from leaving.Nanny Tess also reveals that the reason Mrs. Mariell drowned herself was because she discovered drunken Simon and Robert in their parent's bed having incestuous sex with Christina.The siblings appear and force Nanny Tess to confess to their murder (she had locked the siblings in a bedroom and then set fire to the house).