Professor Seo Do-yoon has just two weeks left before moving abroad for his training. Due to unexpected circumstances, Yoon Jae-hyun moves into his house two weeks earlier than scheduled. Do-yoon values cleanliness and strict rules, while Jae-hyun is spontaneous and free-spirited. As these two polar opposites clash under one roof, an accidental kiss sparks subtle and intense emotions between them. With only 14 days remaining... will they be able to confirm each other's true feelings?