Cho Yeon and Ok Ja drink together, and Ok Ja tells Cho Yeon not to string Chi Su along. Jeong Bong suddenly injures his ankle, and Joon Seon begs Hyo Sin to fill in for Jeong Bong. Jae Seok suggests Da Hee that she should learn math from him. Meanwhile, Jeong Rok confesses his love to Na Hee.
