Seok Ji-won tries to fix a leak in the gymnasium and injures himself. Moon-soo met Yoon Ji-won in the hospital when both were being treated and Seok Ji-won had saved both of them from committing suicide.
Jeong Yul transfers to the school. Yoon Ji-won reminisces about her childhood and plays basketball with Moon-soo. Hae-soo gets sick. Ji-hye steals Yoon Ji-won's mobile.
Seok Ji-won finds himself bothered by Yoon Ji-won, who reluctantly took charge of the inauguration ceremony. To make things more complicated, Cha Ji-hye confesses that she's liked him for 18 years.
