After being disqualified from the famous boy group survival reality show Stardust Project, Seohan finds himself stuck in a mundane life of part-time work, unable to achieve his dreams of debuting. But then, an unexpected twist of fate catapults him eight years back in time, just before the inception of the show. Now equipped with years of experience, Seohan is determined to rewrite his story and fulfill his dreams with this second chance. With the many challenges and dark sides of the music industry, will he finally succeed in debuting as a member of a boy band this time?