As a single dad, Kang San works harder than anyone else to raise his daughter. He runs a side dish store and works as a nursing care worker to make ends meet. His daughter, Jan Di, a middle schooler entering her adolescence, aspires to be a K-pop idol. Although Kang San does his best for his daughter, conflicts with his adolescent daughter are inevitable. Like an accident destined to happen, Mi Rae, the adopted daughter of the Hwang Dong Food Group, shows up before him. She may be adopted, but Mi Rae is an academy art instructor with a straightforward attitude and astute qualities. What love story will unfold when Mi Rae’s first love, Ju Hyuk, suddenly appears before them?