Song Shi On is a university student who is majoring in contemporary dance. After his mother remarried and move to her new husband's house, he was left alone to take care of himself. They even lost contact after that. To make matter worst he got a large debt need to be settle asap.
Jin Hong Seok works as a debt collector from the lending firm Chachacha Capital and was tasked to collect the debt from Shi On. But when he saw him, his heart soften somehow seeing him struggle and promised to wait for another month after a big audition for a lead dancer where he could pay if he win and he was confidence that he will. Seeing Shi On's dance moved his heart so even without his boss's permission, he decided to wait and even become his guarantor for the debt.