出身香港社会最底层的丁小嘉（佘诗曼 饰）在考上警察后，又以卧底的身份重回鱼龙混杂的砵兰街，替CID督查康道行（欧瑞伟 饰）搜集情报。谁知在追查三合会头目游达富的犯罪事实过程中，道行意外遇害身亡。他在临死前为防止手下卧底人员身份暴露，而删除了包括小嘉在内等五名卧底的纪录。在此之后，道行的同袍刑事情报科总督察卓凯（苗侨伟 饰）联系到小嘉，希望其能协助找到其他四名卧底，并掌握外围赌博集团的犯罪证据。 在此之后，小嘉和赌博集团的得力干将薛家强（林峯 饰）发生交集，更由此陷入警方与犯罪团伙、黑帮组织之间的连番对决和火并之中，由此上演了一段令人拍案叫绝的卧底传奇……
展开
![铁拳英雄[国语版]](https://pic.youkupic.com/upload/vod/20220110-1/05dad9899c822fe3567a73d96413a2d8.jpg)
![把关者们[国语版]](https://pic.youkupic.com/upload/vod/20210913-1/253da2d0abe779ca489bb1189fa8b288.jpg)
![警犬巴打[国语版]](https://pic.youkupic.com/upload/vod/20240409-1/dc34614a7a3c7170924bc4ac2118f7f5.jpg)
![肝胆昆仑[国语版]](https://pic.youkupic.com/upload/vod/20240409-1/567c5c0a7375b2809d612261d814ce00.jpg)
![廉政行动2019[粤语版]](https://pic.youkupic.com/upload/vod/20210918-1/4e398c3926f24fc1c02c088bef844ac0.jpg)
![廉政行动2016[粤语版]](https://pic.youkupic.com/upload/vod/20210912-1/5d5804aa83801985a6ee6eb3641375c5.jpg)
![谈情说案[国语版]](https://pic.youkupic.com/upload/vod/20240409-1/a3dfb86f9e84fcc6d53a29075178dffd.jpg)
![蜀山奇侠之仙侣奇缘[国语版]](https://pic.youkupic.com/upload/vod/20240409-1/37d62960a65069be880860f8eb8a30fc.jpg)
![使徒行者2[粤语版]](https://pic.youkupic.com/upload/vod/20211001-1/6c34af100f75a8a8dac0f1c98823a13f.jpg)
![水发胭脂[粤语版]](https://pic.youkupic.com/upload/vod/20210912-1/4c3155f0dcfe9e9205e6b292137d9287.jpg)
![寒山潜龙[粤语版]](https://pic.youkupic.com/upload/vod/20240409-1/1479b3ca25022563e183094d2756a7ad.jpg)
![包青天再起风云[粤语版]](https://pic.youkupic.com/upload/vod/20210918-1/1dffee3ef33edb8b76a1302266dc14f0.jpg)
![总有出头天[国语版]](https://pic.youkupic.com/upload/vod/20240409-1/46632ab74ebf293159ce463fce319d28.jpg)
![盲侠大律师[国语版]](https://pic.youkupic.com/upload/vod/20240409-1/8cb15eb60c7f9c1612a6e889e965ef96.jpg)
![毕打自己人[粤语版]](https://pic.youkupic.com/upload/vod/20240409-1/0d378d8d10fe130a06047c2f5afa4e14.jpg)
![洗冤录[国语版]](https://pic.youkupic.com/upload/vod/20240409-1/430e8a1da064215afe0cc12fba3d01a9.jpg)
