I. Synopsis
Yook Dong Sik (Yoon Si Yoon) works at a brokerage company. He has a timid personality and he can't even get angry at the people who look down upon him. One day, he witnesses a murder. He accidentally picks up a diary belonging to killer, who is a serial murderer. The diary has a log of his murders. Yook Dong Sik flees with the diary, but he is accidentally hit by Police Officer Sim Bo Kyung’s (Jung In Sun) car. Yook Dong Sik loses his memory because of the accident. Due to the diary in his possession, Yook Dong Sik mistakenly believes he is a serial killer. Since that moment, he begins to change. Sim Bo Kyung, who got involved with Yook Dong Sik, decides to catch the serial killer.
Meanwhile, Seo In Woo (Park Sung Hoon) works as director at the brokerage company where Yook Dong Sik works. He is heartless and a psychopath serial killer. He has lost the diary in which he detailed his crimes. He now feels insecure.
II. Original Soundtrack
| Part | Title | Artist |
|---|---|---|
| 1 | Wanna be Bad |
Woosung (The Rose) |
| 2 | Stay the same |
Cha Yeo-wool |
| Disc 2 |
Psychopath Diary Dongshik's Polka Red Diary Suspense Dongshik's related memories Do I look like a pushover I'm a Psycho |
Um Ki Yup, Um Ki Hyun, Lee Sun Gyeol Um Ki Yup, Um Ki Hyun, Lee Sun Gyeol Um Ki Yup, Park Min Ji Kim Hee Jin Um Ki Yup, Um Ki Hyun, Park Min Ji Um Ki Yup, Um Ki Hyun FaraEffect |
