Do Jinwoo, who dreamt of becoming an idol, became one as he wanted, but all he became was to be labeled as “mangol”. “Let’s succeed together!” Jinwoo promised Lim Se-Hyeon, a childactor and classmate who shares the same ambitious dream as Jinwoo; however, unlike Jinwoo, Se-Hyeon was able to make his way up to become the hottest rising star and common main topic of every hot issues alongside with his same age co-worker, Choi Yi-Tae. Jinwoo reunited with his form friend, Se-Hyeon, after having the opportunity to pass a drama audition while hiding a dark history behind him. As Jinwoo catches the interest of Yi-Tae which makes Se-Hyeon visibly uncomfortable, a story filled with misunderstanding, truth, and emotions is about to unfold between these three men.