Ordinary high school student Bong-seok hides a secret.

Doo-sik shows up at Mi-hyun's apartment with a plan to escape Deputy Director Min for good.

After the Black Team disbands, Ju-won is offered a mission by Deputy Director Min to revive the team.

Mi-hyun asks Deok-yoon where Doo-sik is, and he tells her what happened in the North.