Han Yeo-reum (Jung Yu-mi) is a furniture designer who owns a workshop space that she shares with other designers. For the past year, she's been dating Nam Ha-jin (Sung Joon), a plastic surgeon with a sweet and gentle personality. But Yeo-reum's peaceful existence is shaken when her ex-boyfriend Kang Tae-ha (Eric Mun) suddenly reappears in her life. The CEO of an interior design company, Tae-ha is a smart, confident man with a strong competitive edge who always gets what he wants. Meanwhile, Ha-jin comes across Ahn Ah-rim (Yoon Jin-yi), whom he recognizes as the girl he treated like a sister when they were both children living in an orphanage. As she begins working with Tae-ha, Yeo-reum is forced to re-evaluate her romantic history, which sets her off on a search for true love.