Extracurricular

Ji-Soo (Kim Dong-Hee) is a model high school student. To pay for his university tuition fee, he makes a bad choice. This leads to a serious crime that takes place. Min-Hee (Jung Da-Bin) and Kyu-Ri (Park Joo-Hyun) attend the same high school as Ji-Soo and they get involved in Ji-Soo's crime. Source: AsianWiki