There are a lot of misunderstandings for a young man dedicated to his job. Tae Jung is a lingerie designer who works for a large company. In his daily research on female undergarments, he is often mistaken for a pervert. Arum is also a lingerie designer who runs her own small online company from her bedroom. With numerous run-ins and misunderstandings with each other, will Tae Jung and Arum bond over their mutual passion about women’s lingerie?