Mun-hee and Jun-ha get mad that Soon-jae and Hae-mi break their promise to take them out for dinner to a barbeque restaurant. Mun-hee decides to go to Soon-jae to ask him for money, so at least she and Joon-ha can go out by themselves. When she arrives at the clinic, she finds Hae-mi speaking in Russian so skillfully, and she becomes envious. Meanwhile, Min-yong calls for Yoo-mi to come see him at the school’s office because her grades are again the lowest in class since exams. But as Min-yong begins chasing her with a stick in his hand, Yoo-mi becomes scared and starts to run.