虚无的心

　　Mistakenly believing that the mother he has never known is being held against her will in a villa of a wealthy man, Ki-woo begins a revenge plot by raping the man's daughter. His mother, however, was kept in the villa for medical treatment. Upon hearing what her son has done, she commits suicide. Ki-woo also learns that the wealthy man is his father and the woman he raped is his sister.