The lab maintenance is finished and the system comes back online. The police come to the island, but the investigation has made no progress. At last, however, Saikawa solves the mystery of the locked room and prepares to confront the culprit.
I'm sorry I couldn't keep my promise.
.أنا آسف أني لم أستطع الوفاء بوعدي
Tut mir leid, dass wir unser
Versprechen nicht halten können.
Perdón por no haber podido 
mantener mi promesa.
Perdón por no haber podido 
mantener mi promesa.
Je suis désolé
de ne pas avoir tenu ma promesse.
Sono spiacente
di non aver potuto mantenere la promessa.
Me perdoe por não ter conseguido
manter a minha promessa.