An unknown number keeps texting Yun-seo's phone with messages only an ex-boyfriend would text, making her suspect Ju-won. When she confronts him about it, she makes a fool of herself. Meanwhile, the company's new venture in the vacation sector opens a hanok getaway where Yun-seo's team and Ju-won go for a business trip.

Yun-seo struggles to clarify her relationship with Ju-won, even though she knows it's over. Ju-won's lingering feelings make it even harder for her. On top of that, Sung-min unexpectedly enters her life, sparking Ju-won's jealousy. Feeling overwhelmed, she lashes out at Sung-min's frivolous words and actions.