Hani (Hwang Seung-eon) becomes a star author thanks to her popular romance web novel. Everything she wears, eats, and writes becomes a hot topic. Despite living under the spotlight of countless people, she has one secret no one knows: she's never been in a relationship, a total virgin in love! All of this is because of 'Lee Vice' (Kim Hyun-jun), the protagonist of Hani's novel, known as the 'Itaewon Pheromone.' With his beastly gaze, signature jeans, and captivating bare feet, he only desires a spot next to Hani, still wandering without understanding love. As soon as Hani hears the news of 'Lee Vice's' return, whom she's been anxiously awaiting, she also learns of 'Gemma's' (Do Yeon-jin) trip to Korea. The vortex of the past she tried to bury engulfs Hani.