《B+侦探（粤语版）》是由彭顺执导，郭富城,廖启智,徐正溪,龚蓓苾,张兆辉,王梓一,谭耀文,林司敏,李蕴,何浚尉主演的剧情片。该电影于2011年在香港上映。故事接着《C+侦探》展开。阿探（郭富城 饰）的破案能力得到了充分证明，好友风泽（廖启智 饰）也倍感风光，但风泽却在警局内仍不得志，被调到以争功闻名的卢长官（谭耀文 饰）手下。风泽调任不久，辖区内便发生连环凶案，先后四名死者互无关联，且凶手同样在现场留下了颇为刻意的线索。阿探协助风泽，在卢长官的白眼下提出了凶手的多种可能，最后初步锁定凶手为一名精神分裂症患者。在排查期间，嫌疑犯梁伟业（张兆辉 饰）病发劫持人质，阿探施计将其擒获，但遗憾的发现梁并非真凶。不久，阿探被卢警官的手下恐吓，而风泽又被人撞伤，怒不可遏的阿探找到卢警官，却被告知这个嫌疑犯的攻击性超出他的想象……
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