 Suffering severe depression after losing her second husband, Ok-nyeo goes to live with her aunt in an effort to forget her recent past. She takes a job in a coal yard but the supervisor,Cho, after harrassing her for awhile, forces himself on her. Cho s girlfriend hears rumors of what has happened and confronts him. During their arguement, Cho kills her. Realizing that this may have been witnessed by Ok-nyeo, Cho comes up with a scheme to kill her as well.