Detective Walenski They steal people's memories, you know? Then they swap them around between us. I've seen them do it! Back and forth, back and forth, until no one knows who they are anymore. Mr. Book He is powerful, yes — dangerous — but he can also lead us to what we seek: what the doctor calls the soul. It is time for our experiment to move into a final phase. Mr. Book Shut it down! Shut it down forever!