It was slightly melodrama with rom-com, slow burn romance with retro early 2000's Kdrama plot, even tho felt warm and cozy. I'm gonna miss Ko Seung tak...
So seon woo wants to revenge his father, and the ahjussi behind the fall of his father is connected with Chae Rin whom has a brother with a dark past that was covered up by the ahjussi so the logic is whatever crime happened the 3 leads were related to it, the father, the stolen money, the death/crime and the Park's family
Both leads likes to overthink and jump to conclusions, but ML even create projects based on this, typing and everything LOL and the way he thinks is another LOL