The Interest of Love plot
Ha Sang-Su pursues an ordinary life. The arrival of love changes his quiet everyday life. Ahn Su-yeong thinks that love doesn't last forever and can disappear at any moment. She is busy supporting herself under unpleasant circumstances. She feels turned on by a man who suddenly approaches her. Park Mi-gyeong comes from a wealthy family. She is assertive and quite open about her feelings. If she has someone she likes, she makes sure that person joins her side no matter what. She enters into a relationship that doesn't go the way she wants. Jeong Jong-Hyeon studies for an exam to become a police officer. He has a personality that drives him to give his best in everything. He lives in a dire situation. All four work at the same bank and become entangled in a complicated romance when they discover how far they are willing to go for love.