Park Taejoo is often kicked out of places he’s lived in because of his menacing appearance. Through his friend’s introduction, he comes to live with Joo Hajin, the elite of the Economics Department. But the moment he opens the door, he sees condoms and sex toys scattered everywhere. Come to find out that his roommate is a notorious sex addict! Among the misunderstandings and chaotic lifestyle, they become conscious of each other at some point… And so, will these two be able to get along living in the same house?!