Ok-sun becomes furious after secretly listening to In-guk and Mo-ran's conversation and begins the revenge she has kept inside for over ten years. Meanwhile, Woo-hyun's Hyuny cosmetic line launches. However, the promotional sample causes skin problems on the influencer's face and becomes a disaster. Do-il, who was in charge of the samples, disappears. Without any options left, Woo-hyun asks Mo-ran for her help.
