孫(sun)虎局(ju)(ju)長回(hui)到(dao)(dao)(dao)(dao)辦(ban)公室，發(fa)現卷(juan)宗(zong)有(you)被人(ren)(ren)(ren)(ren)(ren)(ren)(ren)動過的(de)(de)(de)(de)痕跡。孫(sun)局(ju)(ju)回(hui)憶起(qi)自己(ji)(ji)(ji)和(he)宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)爺(ye)(ye)(ye)爺(ye)(ye)(ye)的(de)(de)(de)(de)對話，宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)爺(ye)(ye)(ye)爺(ye)(ye)(ye)向(xiang)孫(sun)局(ju)(ju)說(shuo)起(qi)過江北(bei)殘刀的(de)(de)(de)(de)事(shi)情(qing)，他(ta)(ta)(ta)(ta)(ta)(ta)向(xiang)宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)爺(ye)(ye)(ye)爺(ye)(ye)(ye)保(bao)證，自己(ji)(ji)(ji)一定會確(que)保(bao)宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)的(de)(de)(de)(de)安全。警察(cha)(cha)抓住了(le)(le)(le)(le)(le)安裝(zhuang)攝像頭(tou)的(de)(de)(de)(de)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)，黃(huang)(huang)(huang)(huang)小(xiao)桃(tao)逼迫他(ta)(ta)(ta)(ta)(ta)(ta)調(diao)出監控(kong)，找到(dao)(dao)(dao)(dao)死(si)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)那(nei)個(ge)(ge)(ge)監控(kong)視頻之后(hou)(hou)，他(ta)(ta)(ta)(ta)(ta)(ta)們仔(zi)(zi)細(xi)調(diao)出來(lai)查(cha)看(kan)(kan)(kan)，但是(shi)(shi)只能(neng)(neng)看(kan)(kan)(kan)到(dao)(dao)(dao)(dao)女人(ren)(ren)(ren)(ren)(ren)(ren)(ren)阿塔的(de)(de)(de)(de)臉，而(er)那(nei)個(ge)(ge)(ge)男人(ren)(ren)(ren)(ren)(ren)(ren)(ren)卻始終(zhong)帶著頭(tou)套，能(neng)(neng)看(kan)(kan)(kan)出女人(ren)(ren)(ren)(ren)(ren)(ren)(ren)是(shi)(shi)自愿被捆綁(bang)著和(he)男人(ren)(ren)(ren)(ren)(ren)(ren)(ren)一起(qi)玩性(xing)游戲的(de)(de)(de)(de)，不(bu)(bu)過最后(hou)(hou)看(kan)(kan)(kan)到(dao)(dao)(dao)(dao)男人(ren)(ren)(ren)(ren)(ren)(ren)(ren)猛(meng)地(di)(di)趴到(dao)(dao)(dao)(dao)女人(ren)(ren)(ren)(ren)(ren)(ren)(ren)脖子上(shang)吸(xi)起(qi)血(xue)來(lai)。王(wang)大力(li)驚(jing)呼是(shi)(shi)吸(xi)血(xue)鬼，然(ran)后(hou)(hou)一大批蝙(bian)蝠就飛了(le)(le)(le)(le)(le)進來(lai)。宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)和(he)黃(huang)(huang)(huang)(huang)小(xiao)桃(tao)來(lai)到(dao)(dao)(dao)(dao)案發(fa)現場，在(zai)房梁上(shang)噴了(le)(le)(le)(le)(le)黃(huang)(huang)(huang)(huang)鱔(shan)血(xue)，故意(yi)吸(xi)引蝙(bian)蝠進來(lai)。這(zhe)時王(wang)大力(li)在(zai)一旁(pang)大聲喊(han)叫，視頻里(li)(li)又發(fa)現了(le)(le)(le)(le)(le)一個(ge)(ge)(ge)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)，宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)和(he)黃(huang)(huang)(huang)(huang)小(xiao)桃(tao)過來(lai)查(cha)看(kan)(kan)(kan)，在(zai)視頻里(li)(li)果然(ran)發(fa)現了(le)(le)(le)(le)(le)一個(ge)(ge)(ge)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)在(zai)往房梁上(shang)噴黃(huang)(huang)(huang)(huang)鱔(shan)血(xue)。仔(zi)(zi)細(xi)觀察(cha)(cha)發(fa)現這(zhe)個(ge)(ge)(ge)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)走路不(bu)(bu)穩(wen)，疑似有(you)中風后(hou)(hou)遺癥，而(er)且(qie)他(ta)(ta)(ta)(ta)(ta)(ta)的(de)(de)(de)(de)胳(ge)膊(bo)還(huan)明顯(xian)地(di)(di)一個(ge)(ge)(ge)長一個(ge)(ge)(ge)短。宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)決(jue)定從福利(li)院(yuan)(yuan)(yuan)(yuan)(yuan)開始查(cha)起(qi)，結(jie)果真的(de)(de)(de)(de)在(zai)福利(li)院(yuan)(yuan)(yuan)(yuan)(yuan)里(li)(li)查(cha)到(dao)(dao)(dao)(dao)了(le)(le)(le)(le)(le)一個(ge)(ge)(ge)叫白夜的(de)(de)(de)(de)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)。護理員告(gao)訴(su)宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)他(ta)(ta)(ta)(ta)(ta)(ta)們，白夜很(hen)可憐，身體弱，生性(xing)孤僻。一天夜里(li)(li)，白夜竟然(ran)跑到(dao)(dao)(dao)(dao)雞圈(quan)里(li)(li)咬死(si)了(le)(le)(le)(le)(le)許多只雞，滿嘴是(shi)(shi)血(xue)的(de)(de)(de)(de)樣子嚇壞(huai)了(le)(le)(le)(le)(le)大家。宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)他(ta)(ta)(ta)(ta)(ta)(ta)們來(lai)見(jian)到(dao)(dao)(dao)(dao)了(le)(le)(le)(le)(le)院(yuan)(yuan)(yuan)(yuan)(yuan)長，院(yuan)(yuan)(yuan)(yuan)(yuan)長講起(qi)白夜很(hen)是(shi)(shi)憐惜，只知道他(ta)(ta)(ta)(ta)(ta)(ta)的(de)(de)(de)(de)母(mu)親是(shi)(shi)一位陪酒(jiu)女，脾氣很(hen)壞(huai)，對他(ta)(ta)(ta)(ta)(ta)(ta)疏于照顧，因為(wei)職(zhi)業的(de)(de)(de)(de)原因，最終(zhong)他(ta)(ta)(ta)(ta)(ta)(ta)被母(mu)親遺棄了(le)(le)(le)(le)(le)。但是(shi)(shi)院(yuan)(yuan)(yuan)(yuan)(yuan)長說(shuo)白夜長大之后(hou)(hou)偷偷跑走了(le)(le)(le)(le)(le)，自從那(nei)以后(hou)(hou)，就一直(zhi)都沒有(you)見(jian)到(dao)(dao)(dao)(dao)他(ta)(ta)(ta)(ta)(ta)(ta)。從院(yuan)(yuan)(yuan)(yuan)(yuan)長那(nei)里(li)(li)出來(lai)，宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)對王(wang)大力(li)說(shuo)，自己(ji)(ji)(ji)總感覺(jue)(jue)院(yuan)(yuan)(yuan)(yuan)(yuan)長怪怪的(de)(de)(de)(de)，他(ta)(ta)(ta)(ta)(ta)(ta)沒有(you)說(shuo)實話，王(wang)大力(li)說(shuo)他(ta)(ta)(ta)(ta)(ta)(ta)是(shi)(shi)怎么看(kan)(kan)(kan)出來(lai)的(de)(de)(de)(de)，宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)說(shuo)剛(gang)才(cai)院(yuan)(yuan)(yuan)(yuan)(yuan)長介(jie)紹(shao)情(qing)況(kuang)的(de)(de)(de)(de)時候，眼神飄忽(hu)，還(huan)不(bu)(bu)自覺(jue)(jue)地(di)(di)總摸鼻(bi)子，很(hen)明顯(xian)是(shi)(shi)在(zai)撒謊，不(bu)(bu)過他(ta)(ta)(ta)(ta)(ta)(ta)自己(ji)(ji)(ji)也是(shi)(shi)猜測(ce)，滅有(you)實際證據。宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)接到(dao)(dao)(dao)(dao)黃(huang)(huang)(huang)(huang)小(xiao)桃(tao)的(de)(de)(de)(de)電話，說(shuo)查(cha)到(dao)(dao)(dao)(dao)了(le)(le)(le)(le)(le)患類風濕的(de)(de)(de)(de)人(ren)(ren)(ren)(ren)(ren)(ren)(ren)的(de)(de)(de)(de)地(di)(di)址(zhi)了(le)(le)(le)(le)(le)，聽著黃(huang)(huang)(huang)(huang)小(xiao)桃(tao)的(de)(de)(de)(de)介(jie)紹(shao)，宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)抬頭(tou)看(kan)(kan)(kan)到(dao)(dao)(dao)(dao)福利(li)院(yuan)(yuan)(yuan)(yuan)(yuan)的(de)(de)(de)(de)名字(zi)正好是(shi)(shi)黃(huang)(huang)(huang)(huang)小(xiao)桃(tao)說(shuo)的(de)(de)(de)(de)勐哲福利(li)院(yuan)(yuan)(yuan)(yuan)(yuan)，他(ta)(ta)(ta)(ta)(ta)(ta)一下(xia)子明白過來(lai)說(shuo)，自己(ji)(ji)(ji)知道誰是(shi)(shi)幫兇了(le)(le)(le)(le)(le)。宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)急忙回(hui)到(dao)(dao)(dao)(dao)福利(li)院(yuan)(yuan)(yuan)(yuan)(yuan)，可是(shi)(shi)雇工告(gao)訴(su)他(ta)(ta)(ta)(ta)(ta)(ta)院(yuan)(yuan)(yuan)(yuan)(yuan)長已(yi)經出去了(le)(le)(le)(le)(le)。黃(huang)(huang)(huang)(huang)小(xiao)桃(tao)正要出去找宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)，孫(sun)局(ju)(ju)已(yi)經過來(lai)堵住了(le)(le)(le)(le)(le)她的(de)(de)(de)(de)去路。宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)和(he)王(wang)大力(li)沖到(dao)(dao)(dao)(dao)院(yuan)(yuan)(yuan)(yuan)(yuan)長的(de)(de)(de)(de)辦(ban)公室，這(zhe)里(li)(li)已(yi)經空無一人(ren)(ren)(ren)(ren)(ren)(ren)(ren)，宋(song)(song)(song)(song)(song)陽(yang)(yang)(yang)(yang)仔(zi)(zi)細(xi)觀察(cha)(cha)了(le)(le)(le)(le)(le)房間，用(yong)手輕(qing)輕(qing)地(di)(di)挪開了(le)(le)(le)(le)(le)那(nei)只大鬧(nao)鐘。