『豐滿(man)人(ren)妻一(yi)區(qu)二(er)區(qu)三區(qu)性色』介(jie)紹(shao):在(zai)一(yi)個完全(quan)沒有(you)任何征兆的日(ri)(ri)子(zi)里,身穿校服、戴著向日(ri)(ri)葵面(mian)具的神(shen)秘之人(ren)闖(chuang)入德明館高(gao)中(zhong)他們殘酷折磨懷(huai)孕的安田(tian)(tian)老(lao)師(shi)(佐佐木心音飾(shi)(shi)),強(qiang)硬(ying)命令所有(you)老(lao)師(shi)交(jiao)出手機(ji),并(bing)且要(yao)求(qiu)校方在(zai)三個小時內(nei)完成(cheng)拼圖(tu),否(fou)則(ze)就殺掉安田(tian)(tian)老(lao)師(shi)。在(zai)拼圖(tu)即將完成(cheng)之際(ji),高(gao)井理事長(大和(he)田(tian)(tian)獏飾(shi)(shi))遭到綁架,營救行動宣告失(shi)(shi)敗(bai),而三名(ming)男學生(sheng)也從此失(shi)(shi)蹤。三留刑(xing)警(高(gao)橋和(he)也飾(shi)(shi))奉(feng)命調查此事,他輾轉找到了沉默(mo)寡(gua)言(yan)的學生(sheng)湯淺茂央(野村(cun)周平(ping)飾(shi)(shi)),此前他曾目(mu)睹同(tong)班女孩中(zhong)村(cun)梓(zi)(夏帆飾(shi)(shi))自殺的全(quan)過程,并(bing)對至今仍(reng)躺在(zai)病床上的中(zhong)村(cun)抱以(yi)深深的同(tong)情(qing)。不久,蔓延(yan)全(quan)鎮的大事件開始爆發……本片根據山田(tian)(tian)優介(jie)的同(tong)名(ming)原作改(gai)編。