Contains spoilers for this episode and earlier episodes.
Ju-kyung enters class holding Su-ho's hand and refuses to hide either her face or their relationship. Soo-ah confronts Su-jin about the leaked video, then explains that her own hurt came from being excluded from Ju-kyung's secrets. The friends reconcile. Ju-kyung also stands beside Hye-min against Sae-mi, facing her former bullies without makeup. When classmates turn their hostility on Su-jin, Ju-kyung still tries to speak with her, but Su-jin walks away. Alongside the school upheaval, Ju-kyung continues beauty training and passes her examination. Seo-jun considers confessing his feelings, yet disguises them as a request for advice and stops short of naming her.
Hee-kyung encourages Seo-jun to return to singing after a performance attracts attention, while Su-ho and Ju-kyung take a trip to the sea. Their time together is interrupted by urgent news from the United States: Su-ho's father has collapsed with a brain hemorrhage. Seo-jun helps track down the couple when Su-ho fails to answer his phone. The news sends Su-ho to the airport, where Ju-kyung struggles through their goodbye and Seo-jun stays to comfort her. The departure ends their ordinary school routine without settling how long Su-ho will be away. Two years later, Ju-kyung is drinking with her former classmates. Seo-jun arrives to help her when she becomes too drunk to manage on her own.