High Kick! Episode 74

Mun Hui attends a dinner with Sun Jae at a buffet restaurant. She eats off a plate which she thinks someone left, but it actually turns out to be someone else’s, and she is humiliated. Mun Hui tries to get some sympathy from Sun Jae, but he’s the one to criticize her even more. As Hae Mi goes to meet Min Jeong at the apartment, she sees Sin Ji practicing singing. Hae Mi suggests that Sin Ji sing with more emotion and even demonstrates how she herself sings. Sin Ji is annoyed and speaks badly of Hae Mi in Russian to her Russian friend, Nastasha, who happens to be there. (Source: TMDb; edited by MyDramaList)