Parents and children fight to protect each other. Will this repeated war ever end?
The fight takes a new turn with the appearance of a new North Korean superbeing, Jae-seok.
Mi-hyun asks Deok-yoon where Doo-sik is, and he tells her what happened in the North.
Jun-hwa attacks Hui-soo, and Bong-seok awakens his powers to save her.
With Mi-hyun’s question, Il-hwan reminisces about his past.
Mi-hyun and Ju-won watch the auditorium video and head to Jeongwon High, while Gye-do discovers Jun-hwa.
After the Black Team disbands, Ju-won is offered a mission by Deputy Director Min to revive the team.
Sewon, a research-obsessed brain scientist, gets devastating news that pushes him to advance a risky brain-sync system in search of answers.