Flower of Evil (2020)

Both gripping psychological thrillers that delve into the darker aspects of human nature, focusing on protagonists struggling with accusations of serious crimes. In *Black Out*, Go Jung-Woo is a high school student wrongly accused of murder, while in *Flower of Evil*, Baek Hee-sung hides a chilling past that links him to brutal crimes. Both shows center on the themes of false accusation, societal judgment, and the internal conflict of characters who wrestle with their perceived guilt or innocence.

The protagonists in both dramas are complex and morally ambiguous. Jung-Woo's descent into a darker side after society turns on him mirrors Baek Hee-sung's internal battle to maintain his facade and protect his family from his hidden past. Additionally, the suspenseful pacing and frequent plot twists in both series keep viewers on edge, constantly questioning the characters' true motives and the mysteries surrounding the crimes. These shows create a similar emotional tension, blurring the line between victim and villain while exploring redemption and truth.

In short, both *Black Out* and *Flower of Evil* use their protagonists' internal struggles and mystery-filled narratives to keep audiences deeply engaged, offering a captivating mix of psychological drama and moral ambiguity.

It has suspence, thriller, and unexpected twist of events.
The real villain in "He Is Psychometric" was always close to them just like "Flower of Evil".

Both are big suspense dramas and both the same concept of deceiving your partner in a way. Also, the main characters have quite the past.

Urashima Eiji is a university student and his father is a serial murderer. One day, he realises that he is suffering from a dual personality disorder and worries that his other personality may have committed murder. This leads him to begin investigations to find out the truth.

~ Adapted from the manga series "Shinai naru Boku e Satsui wo Komete "by Inoryu Hajime (Story) and Ito Shota (Art)

Similarity:
1-Both of them have serial killings in the past.
2-Both dramas are about to find the serial killers.
3- Both the main characters are cold and show their affection to only their loved once.

Difference:
1- In Flower of evil, Do hyun soo has a family and in Nobody knows, Cha young jin considers ko eun ho her family.

(If I add point 2 it would be consider as a spoiler so I won't add it. However both of these dramas are amazing. they are MUST WATCH!!!)

Both the dramas surprisingly has similar vibes and similar character development for Leads. Both the Male leads here on these dramas...think similarly!

They're suspenseful, crime-centered dramas that focus on the crime-solving process.
Both MLs are mostly emotionless men with a tragic past and ties to a serial killer.
The MLs change after getting into a relationship with a bright, stubborn female.
Both FLs have a job related to solving crimes.
Both dramas make you want to keep watching once you start.

Kill it is also a very suspenseful and thrilling drama, where the FL is also a detective that chases after an assassin, the ML.

Both dramas feature a psychopath who tried to pursue a life that others may deem to not suit them due to the fact that they had an inability to feel any emotions or emphatize with other people. Both dramas had the main character ending up misdiagnosed while still young and growing up having traits of psychopathy inside them. Both dramas had the presumed psychopath character trying their best to break away from the stigma people had of psychopaths in general as they try to lead a normal life.

Baek Sa Eon comes from a prestigious political family, and he became the youngest presidential spokesman in Korea. His background also includes time spent as a war correspondent, hostage negotiator, and main anchorman. He married Hong Hui Ju 3 years ago. She is the daughter of a newspaper proprietor. She has mutism due to an accident she had when she was little. She works as a sign language interpreter in court and on television.

Sa Eon and Hui Ju got married largely due to convenience. For the past 3 years, they haven't communicated with each other or have meals together. They pretend they are a happily married couple. One day, Hui Ju is kidnapped by an unidentified person. This changes their marriage life.

They are both mystery/thriller with married couples. They both give the same vibes as both female lead try to clear their's husband's names.

They have the same type of right from the whole show. Although FOE is more romantic and lighter than SM.

Both dramas have quite the dark theme and are slow paced with emphasis on getting to know the characters, their life and emotions rather than action.
Both husbands keep secrets from their wives. "The World of the Married" focuses on the female leads character and how she deals after finding out the truth.

The ambient, the music, and even more, the way both drama unfolds, seem so similar.

In both drama, the main leads are accused of murder, thus their perfect-seemed life are about to get ruined.
They both have their spouse really believing them and supporting them when going through the hardship, and lastly but not least, when one of them hit on the other first (in the past), the drama makes time to explain how the main character tries their best to push away their partner, by telling them
"I do not have those feelings, Do you know what sort of a person, I am? " /
"I will never fall in love with you, and probably only use you as my fancy business card"

They both have similar concepts. Also, a serial killer related to the protagonist/antagonists.
In similar by they both related to law. Many of the characters both have secrets together. Both have a main chacater that you can't tell if they are good or evil.