Filing for Love

Ju In-a becomes the new director of Haemu Group's audit office and demotes No Gi-jun to monitor workplace misconduct.

Gi-jun is assigned to investigate the incident in zone F of the underground parking lot, but the case escalates into a raid.

Gi-jun plots revenge against In-a and sets out to do a full-scale investigation; Gwang-il becomes involved in the PM case.

Gi-jun unintentionally learns about In-a's secret and ends up going on a business trip with her; Seong-yeol returns to the headquarters, intensifying the battle for succession at Haemu.

An unspoken tension takes a toll on In-a and Ki-jun's professional relationship.

Ki-jun and In-a join forces to investigate a suspicious accident.