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.

In-a draws a line between her personal and professional life after a passionate kiss with Gi-jun. However, the two end up handling a case involving a dispute over the truth behind a kiss.

In-ah steels herself upon hearing the news that Ki-jun and Ah-jeong are living together; Ki-jun and In-ah, suspicious of why the controversial Haemu Group model is not replaced, decide to launch an investigation.