It is suspected that the hacking could have been an inside job. Could the culprit be nearby? Ja Yu digs into Chae Woon's past. She finds out that he was present alongside her during the terrorist attack that involved the president a few years ago.

Seon U Geun, the chairman of DORSON Group and Seon U Jae's biological father, suggests that Ja Yu sells her cultured meat technology to him. Meanwhile, the hacker is found dead. Ja Yu is suspected of being responsible and she even receives death threats.