Song Shi On is a university student who is majoring in contemporary dance. After a serious row, he is thrown out of the family home and is left with an emotional wound. Shi On decides to pursue his ambition and ends up sharing a rooftop apartment with Jin Hong Seok, a cold but attentive man working as a debt collector for the lending firm Chachacha Capital after abandoning his dream of becoming a pianist.
As the duo forms a close bond, the affection of CEO Cha Soo Ryeon and the jealousy of senior student Jung Hun threaten to derail their fledgling love story.
Song Shi On is an aspiring contemporary dancer who has recently been thrown out of the house by his family, while Jin Hong Seok gave up on his dream to dance and now lives off his investments as a mortgage collector.
These two wind up sharing a place and the action unfolds from there.
