Psychopath Diary

Psychopath Diary is a thrilling and darkly comedic K-drama that will keep you on the edge of your seat. Yoon Shi-yoon delivers a brilliant performance as Yook Dong-sik, a timid and ordinary man who stumbles upon a serial killer's diary after witnessing a murder. Convinced that he is a psychopath, Dong-sik starts to undergo a drastic transformation, believing himself to be a cold-blooded killer. As he navigates his new identity, he crosses paths with Seo In-woo (played by Park Sung-hoon), a real psychopath who mistakenly believes Dong-sik is just like him. Together with Jung In-sun, who plays a detective investigating the mysterious murders, the trio creates a unique and suspenseful story filled with unexpected twists and turns. Psychopath Diary offers a perfect blend of suspense, humor, and character development that will captivate K-drama fans.