Based on Oh Yu-kwon's novel, A Mountain Hut In No-Man's Land, in which a woman helps two men who seek refuge in her humble mountain home at the start of the Korean War. However, her generosity and kindness leads to her losing her family, house and land.

Jang is attacked in her home by a masked man two nights in a row. Her husband is reluctant to call the police, but they both begin to suspect the odd young man living next door