Lee Eun-gyeom is your typical office worker. A newbie at his workplace, he's friendly and sociable. However, when it comes to love and relationships, he has the most rotten luck.

Enter Han Jihyuk, the handsome team manager who's totally Eun-gyeom's type! But wait a second... Is this demon of a manager out to get him? His arrival is about to send Eun-gyeom through a roller coaster of emotions!