The farce concerns the ultimate fate of the gem called the Penultimate Night, and the identity of the mysterious man who absconded with a certain detective's long-lost body. For what purpose does M pursue the Penultimate Night?
transplanted the oni cells I had extracted 
into them, and observed their progress.
وزرعتها في شبّان وراقبت تقدّمهم
transplantierte ihnen
die extrahierten Oni-Zellen
et les ai transplantées
sur ces jeunes gens.
transplantei para alguns
jovens e observei o progresso.
а затем пересадил им клетки о́ни
и стал терпеливо наблюдать.