One day Sang-rim grabs an once-in-a-lifetime chance under his harsh circumstances. Sang-rim, without any qualifications or network, passed the document review with a large corporate company called SG Venture. He is finally hired as an intern right at the spot on the interview day by the female CEO of the company, Sook-kyeong, although the interviewers objected the decision. Sang-rim has grown to admire the charismatic and attractive CEO and tries to work hard. However, it was not that easy. While Sang-rim keeps asking her to assign him to a different department, she shows him his contract with the private moneylender, Yong-geun and asks him to concentrate on her. Sang-rim is perplexed as the sexy CEO keeps flirting with him. Although he becomes used to Sook-kyeong, Sang-rim still cannot understand her attitudes towards him. Meanwhile, Sang-rim becomes close to Yeon-soo, who is a newly hired intern.

Detective Agency: Face of the Gnome is the third episode of the melodrama, crime and thriller Korean movie series. The first one is Detective Agency - Love and War 2016 (탐정사무소 - 사랑과 전쟁). The unknown Jin finds out the detective office and asks Hyun-chae to investigate why his wife committed suicide. And it tells that the cause of Seonye is related to the inner part of Seonyun. Hyun Jung, who visited the South, finds out that the camp is hiding something from his statement. And I know Jinhui, a college alumni and psychotherapist. Hyun-jung knows that Jin-hee is a hypnosis specialist and feels that this event is related to hypnosis. Hyun-jung persuades the camp and goes to Jin-hee and starts to run down the things that happened on the day of the incident. After all, Jinhei starts to reveal the truth of all the events.