Online fashion model Hyo-jeong faces imminent threat of being unemployed because of the younger and more fashionable generation coming after her. While relying on surgical procedures and treatments, Hyo-jeong hears about a mysterious yoga class that helps make perfect body shape from her old high school classmate, Ga-yeong. Hyo-jeong eventually attends the yoga class with three classmates: Mi-yeon, a boxer who failed to keep her body fit, Ji-won, who has unstable mental condition, and Ye-na, a movie star who is morbidly obsessed with her appearance. Meanwhile, police start to investigate the enigma behind this yoga class after finding out that a murder in the neighborhood was committed by a woman named Bo-ra, a former yoga class student.
All around the world, musicians and rock stars are being elected to their respective countries' highest offices. Paul McCartney is running for Prime Minister of England; Madonna's being tapped as the VP in the United States. The current prime minister and head of the army in Korea are disturbed by this trend, and concoct Emergency Order 19 to deal with the problem: ban all music. The film is famous for the many pop music celebrity cameos it features.
