2021
S01E12 finale
The story of when Agent Seo Soo-yeon, who returns from China, gets involved in a dangerous deal with Agent Jang Chun-woo.
Su Yeon rushes to the site where the deal is happening to help Chun Woo, who is at risk of being exposed. Meanwhile, Chun Woo does whatever he can to prove his innocence and keep the situation under control when word of a possible rat surfaces. However, all fingers point to him being the rat, making things frustrating and dire.