Australian girl Roseanne (rosé) decides to move to Korea to become a fashion designer at age 20. She’s completely new to the country, language and customs. She starts from the bottom but quickly becomes one of the best designers in Korea within 3 years, making outfits for all the famous idols. By doing this, she gets to meet lots of new people who soon become her close friends. One day in early summer 2017, she meets her favourite kpop band, EXO, by accident and everything changes.