In a school that forces students to grow identical wings in pursuit of society’s ideals, 19 year old Jeongbeen is an exemplary student on the verge of metamorphosis. One day, he witnesses his close friend Seongho undergoing metamorphosis in a way that defies the school’s strict rules. This sparks doubt in Jeongbeen about the system he belongs to. As he starts acting in line with his own dreams, his academic ranking drops. In this oppressive school system, will Jeongbeen be able to find his own path and complete his metamorphosis?