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.
Where is this Suma-san now?
وأين هي سوما-سان الآن؟
Was macht sie jetzt?
¿Dónde se encuentra Suma-san?
¿Dónde se encuentra Suma-san?
Et qu’est devenue cette femme,
aujourd’hui ?
Dov'è ora questa signora Suma?
E onde essa Suma-san está agora?