Kim Kwang Ja is an ordinary 42-year-old housewife who has spent most of years devoted to her gruff husband and indifferent daughter. When she discovers the music of a popular idol boyband, she becomes a fan of the lead rapper, Jin, and finds new joy in her life.

The second season has a similar focus to the first, dealing with current social issues faced by the youth both at school and beyond, as well as their friendships and concerns.