退休沙展(zhǎn )范根(🔨)(冯淬帆)与高(gāo )级(jí )警(jǐng )(🐌)察李(lǐ )国江(黄锦(🕟)燊(shēn ))本是同胞,后因一闪(shǎn )严重(🥈)过(guò )失,范根代替李(🐮)国(guó )江承(chéng )担责(zé )任而遭革(🎲)职之后,范(♑)在贤(😎)姐(李(⚫)殿朗)的(de )发型屋(🗄)内(nèi )(🛍)任发型师,并得(dé )到贤(🥄)姐(jiě )芳心暗许(xǔ ),但可(📞)惜范根爱子身(shēn )染重病每年需要换血费用(😱)甚(🐖)巨,范(fàn )(💞)为替其(qí )子彻底治(zhì )病,秘密为(🛑)黑(hēi )帮首领洪驹(💱)(王伟)任(㊗)杀手。