『魯一(yi)魯』介紹:一(yi)名(ming)癡迷(mi)下棋的社會最底層小(xiao)人物在(zai)(zai)受(shou)到殘酷拷(kao)問(wen)時(shi)(shi)咬舌自(zi)盡(jin),老(lao)虎探長鐘(zhong)(zhong)朗(呂良(liang)偉(wei)飾)和搭檔康華生(徐亮飾)、于(yu)勝(sheng)(sheng)(sheng)男(nan)(nan)(李若斯飾)協同展開調查,發現死者生前曾(ceng)多(duo)次出入公(gong)共租(zu)界的英國威(wei)斯汀(ting)銀(yin)行(xing)(xing)(xing)。此(ci)人似乎在(zai)(zai)該銀(yin)行(xing)(xing)(xing)號稱全(quan)上海最安(an)全(quan)的保險箱存(cun)了重要東西。鐘(zhong)(zhong)朗和勝(sheng)(sheng)(sheng)男(nan)(nan)偽裝(zhuang)身份前往銀(yin)行(xing)(xing)(xing)調查,誰知竟遭遇一(yi)伙(huo)銀(yin)行(xing)(xing)(xing)劫匪,勝(sheng)(sheng)(sheng)男(nan)(nan)更(geng)成為他們的人質(zhi)。為保護勝(sheng)(sheng)(sheng)男(nan)(nan),鐘(zhong)(zhong)朗繳械向劫匪投降。與(yu)此(ci)同時(shi)(shi),華生和洪(hong)小(xiao)雅(馬燦燦飾)一(yi)組終于(yu)查到棋迷(mi)的真實(shi)身份,由此(ci)得(de)知此(ci)人所背負的重大使(shi)命,更(geng)由此(ci)將該案與(yu)銀(yin)行(xing)(xing)(xing)劫案聯系在(zai)(zai)一(yi)起。時(shi)(shi)間一(yi)分一(yi)秒(miao)地流逝(shi),鐘(zhong)(zhong)朗和勝(sheng)(sheng)(sheng)男(nan)(nan)的生命受(shou)到最大的考驗(yan)……