"I always see you. But do you see me too?"

You think it's usual for a person to get over such interest abruptly after one incident? Yes. Abruptly for Seon Shinyeong, when her father destroys her happiness when they were left abandoned with sickness and debts.

The usual father everyone would hate.

But it was not usual for her to feel such fast mixed, unmatched emotions in a few months.

When Kim Seokjin, someone she doesn't proclaim to know, comes and changes her life in many ways possible.