A deep, obscure, powerful and complex movie settled up in Paju, a suburban city of Seoul and a longtime military zone. The town, as well as it's habitants, is depicted as wandering souls; Choi Eun-mo is a 15 year old girl who falls in love with her teacher Joong-shik, the new mystery man around town. But as fate would have it, Joong-shik is actually dating Eun-soo, her older sister. A year later, Joong-shik and Eun-soo are married, and Eun-mo is living with them. Suddendly, Eun-soo dies from what appears to be an accident leaving Joong-shik and Eun-mo living together. Nevertheless, something tells Eun-mo that Joong-shik is behind her sister's accident, and she starts digging further into the death of Eun-soo and ends up torn between the truth and her feelings for Joong-shik.