『快播5.0』介(jie)紹(shao):利(li)用(yong)假日,醫科(ke)大學女教授于(yu)勝(sheng)(sheng)男(nan)(nan)(齊芳飾(shi)(shi)(shi))來(lai)到(dao)光(guang)華(hua)救(jiu)濟(ji)會為(wei)窮人(ren)(ren)們(men)看病問診(zhen),巡捕房探長鐘(zhong)(zhong)朗(lang)(鐘(zhong)(zhong)漢良(liang)飾(shi)(shi)(shi))來(lai)此(ci)探望勝(sheng)(sheng)男(nan)(nan),結(jie)識了當年曾(ceng)幫過勝(sheng)(sheng)男(nan)(nan)的(de)(de)救(jiu)濟(ji)會負責人(ren)(ren)佟叔叔。鐘(zhong)(zhong)朗(lang)也借此(ci)機會為(wei)勝(sheng)(sheng)男(nan)(nan)引(yin)薦了對(dui)她父母一案內情有(you)深入(ru)了解的(de)(de)人(ren)(ren)。因叛國(guo)罪羈(ji)押在(zai)法國(guo)人(ren)(ren)監獄中的(de)(de)端木巖(高雄飾(shi)(shi)(shi))閃爍其詞,令前來(lai)問詢的(de)(de)女兒勝(sheng)(sheng)男(nan)(nan)頗(po)為(wei)懊惱(nao)。與此(ci)同(tong)時,和鐘(zhong)(zhong)慧(hui)(涂(tu)黎曼飾(shi)(shi)(shi))相(xiang)識的(de)(de)難(nan)民(min)(min)蘇老(lao)伯(bo)被人(ren)(ren)殺害,由此(ci)牽(qian)連(lian)出一個連(lian)續難(nan)民(min)(min)殺害事件。勝(sheng)(sheng)男(nan)(nan)從尸體(ti)中檢驗出神秘毒素(su),誰知(zhi)卻將災(zai)禍引(yin)到(dao)了自己(ji)身(shen)上。鐘(zhong)(zhong)朗(lang)(鐘(zhong)(zhong)漢良(liang)飾(shi)(shi)(shi))及其搭檔韓非(釋(shi)小(xiao)龍(long)飾(shi)(shi)(shi))介(jie)入(ru)調查(cha),而線索竟(jing)和端木巖聯系在(zai)一起。一起隱藏著戰(zhan)爭陰謀(mou)的(de)(de)黑幕慢慢浮現,鐘(zhong)(zhong)朗(lang)他們(men)面臨前所未有(you)的(de)(de)險惡對(dui)手……