退休沙展范根（冯淬帆）与高级警察李国江（黄锦燊(shēn )）本是同胞，后(🎺)因(🔧)一闪(shǎn )(🎹)严(🆖)重(🥈)过(guò )失(shī )(🛤)，范根代(dài )替李国江承(😧)担责任(rèn )而遭(⏬)革(gé )职之后，范在贤姐（李殿(diàn )(🐿)朗）的(👑)发(fā )型屋内任发型师，并得(✳)到贤姐(jiě )芳心暗(🚥)许，但(dàn )可惜范根爱(ài )(🗑)子身染(rǎn )重(chóng )(🙁)病每年需(🚑)要换血费用甚(shèn )巨，范为(⏺)替其子彻底治病，秘(mì )(📯)密为(wéi )黑帮首(🖲)领洪驹(💱)（王伟）任杀手。