Kawasemi Omito, a supremely skilled detective, leads a joint investigation into a serial killing case. Amamiya lends him Toto, whom Kawasemi deems so useless he's invisible. Ron appears at the newest crime scene as a consultant, irritating Kawasemi.
That day, when you found the Hand Collector 
had killed himself, you had an idea.
في ذاك اليوم، خطرت لك فكرة
عندما وجدت جامع الأيدي المُنتحر
An jenem Tag kamen Sie auf die Idee,
Cuando vio al coleccionista de manos
tras suicidarse, tuvo una idea.
Cuando vio al coleccionista de manos
tras suicidarse, tuvo una idea.
La nuit venue,
Vedendo il corpo dell'Hand Collector,
che si era appena suicidato, ha avuto un'idea.
Aí quando você encontrou
o colecionador de mãos,
Но вы придумали план…