- Drama: A Superior Day
- Revised romanization: Uwolhan Halu
- Hangul: 우월한 하루
- Director: Jo Nam-Hyeong
- Writer: Team Getname (webcomic), Lee Ji-Hyun
- Network: OCN
- Episodes: 8
- Release Date: March 13, 2022 —
- Runtime: Sunday 22:30
- Language: Korean
- Country: South Korea
Lee Ho-Cheol (Jin Goo) works as a firefighter. He is your typical head of household, who loves his wife and daughter. Recently, the media covers an unsolved serial killer case. The case has nothing to do with Lee Ho-Cheol, but he receives a text message that states “I will let you know who the serial killer is” and a photo. The photo is of a man holding a knife covered with blood and he is next to a murdered person.
Lee Ho-Cheol notices that the man holding the bloody knife is Kwon Shi-Woo (Lee Won-Geun), who lives next door to him. Lee Ho-Cheol receives another text message that states “Kill Kwon Shi-Woo within 24 hours. If you don’t, you will not see your daughter again.” Lee Ho-Cheol discovers that his daughter is now missing.
Meanwhile, the person who sent the text message is Bae Tae-Jin (Ha Do-Kwon). He is a hired killer, who chases after serial killer Kwon Shi-Woo. Bae Tae-Jin schemes a plan to kill Kwon Shi-Woo by using Lee Ho-Cheol.
Kwon Shi-Woo (Lee Won-Geun) looks like a kind young man with a handsome appearance, but he is a psychopath. He feels a sense of superiority by killing people.