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.
but he spends most of his time wandering 
around, looking at old buildings, right?
ولكنه يقضي معظم وقته يتجول ناظرًا إلى مبانٍ قديمة، أليس كذلك؟