On the EBC filming day, Da-ju urges Eui-ju to film Woo-su's class secretly, but she gets caught. She collapses and Woo-su carries her to the hospital.

As Eui-ju denies Woo-su's words made her flutter, a Fields Medal winner visits him. Misunderstood as liking Dong-ju, Eui-ju grows awkward with Go-ya.