Achiara is a small and peaceful village with nearly zero crime. One day, So-Yoon (Moon Geun-Young) arrives in Achiara. She will teach English at the local school. On her first day at work, she finds a buried body. So-Yoon and Police Officer Woo-Jae (Yook Sung-Jae) attempt to find the truth. As they get closer to the truth, the ugliness of the village is revealed.