Kenjiro's brother, Yuichiro, is released from the hospital, but he and his mother have a confrontation which goes out of control after Yuichiro grabs a hold of a knife. While trying to stop his brother, Kenjiro accidentally stabs his mother. During the confusion, Yuichiro disappears.
健次郎(風間俊介)の兄･雄一郎(須藤公一)が退院することに｡2人だけでマンション暮らしをするという母親･麻美(田島令子)に雄一郎は反発し､果物ナイフを取り…｡
