Kato takes the heat for the handling of the embassy case. Daisuke checks out the device left behind by the suspect, but for some reason his AI butler, HEUSC, refuses to listen to his commands. Cho-san also investigates articles left behind at the crime scene and pursues the case from a different angle with the help of Kato. Their investigation leads them to a woman named Imura who works at a manufacturing company. However, Daisuke's actions interfere with their meeting with the woman.
It looks like it's the work of that substance
that looks like sea grapes,
يبدو أن ذلك من عمل  
،تلك المادة التي تشبه عنب البحر
Was die Funktionalität dieses
seetraubenähnlichen Materials angeht,
Parece obra de una sustancia
parecida a las uvas de mar,
C’est probablement
grâce à l’espèce d’algue,
Sembra sia opera di quella sostanza
che somiglia all'uva di mare,
Parece que é trabalho daquela substância
que se parece com uvas do mar,