After another wild night of clubbing, rich brat Isu is forced to decide between working as an intern or having all his credit cards canceled. He begrudgingly chooses to become a sales intern, but one of the team leads at his company is Jin Hyuk, the same handsome guy he had a one-night stand with! Though tries to use his sex friend, Yejun, to forget about Hyuk, it unlocks a possessive and jealous side to Yejun that Isu's never seen before. With his new workload, Hyuk, and Yejun to worry about, will Isu ever catch a break?