In this Korean thriller in the vein of Oldboy and Deliverance, a professor and his student are pitted against backwoods thugs in a test of wills. Ye-ryeon Cha stars as opera student In-jeong, who flees the lecherous advances of professor Park Young-sun (Byeong-jun Lee) only to find herself captured by a gang of sadists. When In-jeong and Young-sun reunite, they must work together to thwart the deadly games of their demented captors.