Seunghyun spent his 20s following his crush through college and grad school, only to wind up totally single and with no idea where to go in his career. When he manages to land an internship at a competitive marketing company, he’s ready for a fresh start without worrying over unrequited love. Except he’s put under the handsome workaholic Kim Jongchan, whose hot and cold attitude leaves Seunghyun flustered. And worse yet, his crush from school works in the same company too! Will Seunghyun survive his first job and a potential first relationship?