Kim Himchan live with his boyfriend, Jung Daehyun, along with his boyfriend’s roommate, Bang Yongguk. Himchan moved in the apartment four months ago; because Daehyun asked him to. Himchan is not really close to Yongguk, but Yongguk secretly have a feeling for Himchan. He would felt jealous whenever he saw Daehyun and Himchan cuddled on the couch in the living room while watching television. However Yongguk tried to control his feeling for Himchan, he tried to not fall in love with him.

But one day Daehyun got an offer to work in the other country and he had to leave Himchan. He asked his roommate to take care of his boyfriend while he's not around. But something unexpected happened, something that ruin their relationship.