Movie Story : Hye-yeon, a worn-down office worker from Seoul, travels to a secluded island to reunite with Kyung-do, a childhood friend she has not seen in years. What she discovers there is a community where Kyung-do lives under brutal control, subjected to relentless cruelty from the people around her. As the hostilities mount, a grim struggle for survival gives way to a violent reckoning.