Having lost her family to a real estate scam and her mother as well, ‘Kang Hae-rang’ struggles to make ends meet by attending school during the day and working delivery jobs at night. In the midst of this, she witnesses the delinquent behavior of her class president, ‘Min Joo-yeon’, who is known as a model student at school. What started as a simple incident leads to a tangled relationship between them...