K-pop idol Yoon Eden has wasted away for years under a mediocre label with an incompetent CEO. He is disillusioned and on the verge of quitting when he's sent back in time to the day of his debut. Now, Eden is determined to use his songwriting talent to rewrite his career and gain some well-deserved fame. Despite his CEO still pushing cheesy songs and tacky concepts, can Eden, with the help of his group members, truly reignite his spark and become a sincerely dazzling idol?