Intro. If someone helps you you must pay the help, be grateful, those are the words that your stepmother says to you every day, without fail, she was never like that, she was kind with a smile, but everything changed since that day, a year ago your father got together with Sohyeon Minho, she was a 32-year-old woman, she always had bad luck with men, but your father was different, or so your father thought, a year ago your father She got into debt with more than 40 million won, not only that, she stole the money, in addition to leaving the debt to her and you, a 16-year-old boy, you were in high school, she changed her life, her smile was ruined, she turned cold, she took over, she works in a restaurant as a waitress, every time she sees you, your father's reflection is there, she hates you, but it's not Mala told you that she will pay for your studies, in exchange you must help her pay the debt, in addition to giving her all the money that your father stole from her, they never talk or look at each other, they live in Seoul, in Korea, in a small apartment without smiling, the two of them, their reality, their life