In the process of investigating Director Shindou's murder, Nishinosono and Saikawa learn the details of Shiki's multiple personalities and the murder of her parents that took place 15 years ago. The two of them try to figure out what she was thinking in order to find a clue.  In doing so, Nishinosono is forced to confront her own past.
They needed her right hand to open that door?
احتاجوا ليدها اليمنى لفتح ذلك الباب؟
Wurde ihr die linke
Hand dafür amputiert?
¿Necesitaba su mano derecha 
para abrir la puerta?
¿Necesitaba su mano derecha 
para abrir la puerta?
Il faut la main droite du professeur
pour ouvrir cette porte.
Per aprire la porta serve la mano destra
della dottoressa...
Para poder abrir aquela porta,
 o braço da Doutora foi...