Yoon Shi-yoon and Jung In-sun are in talks to star in a new tvN drama called Psychopath Diary, their respective agencies announced on June 11.
The new series centers on a man who discovers a diary owned by a serial killer that leads him to find out the truth of an incident. Yoon Shi-yoon has been offered the role of the man named Yook Dong-shik, a soft-hearted and timid fund manager who cannot refuse a single request and whose kindness is often exploited by others.
Meanwhile, Jung In-sun has been courted to play a rookie police officer named Shim Bo-kyung. She dreams to become a criminal profiler but she is stuck with doing her patrol duties. Although she is really talented, she always gets ignored by her colleagues.
Psychopath Diary will be directed by Lee Jong-jae of 100 Days My Prince and written by Ryoo Yong-jae of The Liar Game. It is set to premiere in November.