Troubled by the growing worldwide trend of pop singers being elected as politicians, the President of South Korea orders his Chief Secretary to invoke "Emergency Act 19." This new law criminalizes all pop singers, and the army is deployed on the streets of Seoul to round them up. One pop star, Hong Kyung-min, is arrested while performing a concert, but his angry fans mob the soldiers as they try to take him away. The Chief Secretary's teenage daughter, Min-ji (Gong Hyo Jin), is amongst the fans, and leading her idol to safety, gives him her phone number...