Title: 우월한 하루 / A Superior Day
Genre: Thriller
Episodes: 8
Broadcast network: OCN
Broadcast period: 2022-March-13 to 2022-May-01
Air time: Sunday 22:30 KST

Lee Ho Cheol is just an ordinary guy who works as a firefighter. One day, when news about a serial killer was making headlines, Lee Ho Cheol receives a piece of information from a stranger informing him that the serial killer is his neighbour, Kwon Shi Woo.

Unknown to Lee Ho Cheol, the stranger who gave him that information is a contract/hired killer, Bae Tae Jin, and Lee Ho Cheol suddenly finds himself trapped in a situation between the two.