Seo Hoyoon, the genius producer of a popular idol survival show, is infamous for his sharp tongue and coldheartedness. Cursed by a trainee for it, he wakes up as a member of a flop idol group called "The Dawn." To avoid being stuck in this parallel world forever, Hoyoon must make his group top-tier... but with the competitive industry and challenging tasks, it won't be easy. With his wits, know-how, and a little help from those around him, will this producer-turned-idol make it big?