The Study Group sneaks into the Reserves General Meeting and struggles against the Yeonbaek Gang. Pi Han Ul forces Kim Sun Cheol to make a false confession to Detective Na Tae Man. Meanwhile, the fated midterm exam finally begins. The Study Group must improve their grades and climb up at least ten places to hold a disciplinary committee against Pi Han Ul. Will they all succeed?

• Lee Jang-hoon

• Cha Woo Min
• Minhyun
• Han Ji-eun