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.