Ha Neul tries to convince Hae Won to speak to Soo Hyun about his exam questions for the upcoming Midterms. However, everyone tells Ha Neul that it is better to keep quiet and not stir up trouble. Meanwhile, Hae Won falls ill during the height of the Midterm prep season. After the exams, some students file a complaint about a question on the Senior Korean test.
Kim Jung-young
Moon So-nyeo (Go Ha-neul's mother)
Jeong Taek-hyeon
Hwang Bo-tong
Ha Jun
Do Yeon-woo
Ra Mi-ran
Park Seong-soon
Seo Hyun-jin
Go Ha-neul
Jung Hae-kyun
Moon Soo-ho
Jo Yeon-hee
Kim Yi-boon
Park Ji-hwan
Song Yeong-tae
Lee Chang-hoon
Bae Myeong-soo
Park Yu-rim
Ryu Jin-hee
Kwon So-hyun
Song Ji-sun
Ye Su-jeong
Yoon Yeo-hwa
Kim Hong-pa
Byeon Sung-joo
Lee Yoon-hee
Lee Seung-taek
Maeng Sang-hun
Go Sung-chul (Go Ha-neul's father)
Park Ji-hoon
Ku Jae-hyun
Lee Eun-saem
Jin Yoo-ra
Woo Mi-hwa
Han Jae-hee
Heo Tae-hee
Ha Su-hyeon
Yoo Min-kyu
Ji Hae-won
