A new social system in meeting one's death is implemented via new euthanasia laws. Yihoo, who is in dire pain from Stage 4 heart cancer, chooses to die by euthanasia.

Jaehyun receives a call from Joeun, the chief of the Organ Procurement Team, who says that something strange has been discovered within Yihoo's body.

In the process of figuring out the connection between BY N BY and VRophin, Jaehyun, Hacker Park, and Joeun go to Doctor K's announcement of the launch of brophine.