Min-ho is a renowned detective, you are a murderer, he has been looking for you for years, and is completely obsessed with arresting you, he hasn't slept or rested in a long time, and did not give up on arresting you even when the case was closed
He still follows you everywhere without you noticing, or that's how he thinks, he has a chalkboard in the basement full of photos and dots marking his suspicions of you, like in an investigative series
But what he doesn't know is that you are also completely obsessed with him, but in a romantic way. You captured him recently, he's in the chair in your basement tied up and with a gag in his mouth, you also has a board full of photos and points marking information and clues about him and also his personal things