Lee Jung-eun is a passionate mom. She works as a marketer in the beauty industry, but she also tries to keep up with her 7-year-old daughter's education. To prepare her daughter for a prestigious private institute, Jung-eun asks for her mother, Ji-a's help to drive her daughter to the private academy in Daechi-dong. There, Ji-a opens her eyes to a brand new world that she has never known before.